Boden takes a big step in the pursuit of a major career decision; Kidd becomes increasingly distrustful of Renee's motives with Severide; Herrmann has trouble bouncing back after a tragedy.

After responding to a car accident, Casey and Dawson become skeptical when a domineering husband continues to answer for his injured wife; Cruz is frustrated with Herrmann and Mouch; Kidd uncovers something meaningful to Severide.

Otis and Kidd's lives are put in jeopardy when there's gunfire inside a house; Dawson comforts Brett during an especially trying time; Casey begins to notice that romance might be going on within the firehouse.

The crew struggles to come to terms with an injury to one of their own; a temporary replacement must be dealt with; Boden ponders some interesting news; Kidd has a hard time keeping a secret.

Boden has a lapse in judgment in the aftermath of rescuing a young boy; Kidd struggles to win the approval of Severide's mom after a surprise visit; Otis takes on new responsibilities at the firehouse.

When the FBI takes over the firehouse for an undercover mission, Casey and Severide volunteer to assist with the investigation; Kidd attempts to help Severide come to terms with recent developments he's been managing.

The team responds to a residential fire at a property belonging to a drug cartel; a hefty amount of money is missing from the crime scene; Kidd makes a big decision.

A family lends a friend a place to stay but kicks her out after a blowup; instead of moving away, she buys a house across the street, kicking off a yearslong dispute ending in a hail of bullets, blood, death, and a community in shock.

A small town encounters satanic rituals and a savage killer.

The SRU team is called in when a woman takes hostages at a gas station.

A family lends a friend a place to stay but kicks her out after a blowup; instead of moving away, she buys a house across the street, kicking off a yearslong dispute ending in a hail of bullets, blood, death, and a community in shock.

A small town encounters satanic rituals and a savage killer.

The SRU team is called in when a woman takes hostages at a gas station.

A family lends a friend a place to stay but kicks her out after a blowup; instead of moving away, she buys a house across the street, kicking off a yearslong dispute ending in a hail of bullets, blood, death, and a community in shock.

A small town encounters satanic rituals and a savage killer.

The SRU team is called in when a woman takes hostages at a gas station.

Boden's chances for a promotion are met with potential complications; Dawson and Casey don't see eye to eye on an important decision; Kidd finds herself struggling to find time with Severide; Brett and Dawson respond to a tough call.

Reeling from Dawson's continued absence, Casey makes a rash move during a rescue, while Brett struggles with a series of replacement partners; meanwhile, Boden faces scrutiny from Commissioner Grissom, who sends his deputy to monitor Firehouse 51.

Firehouse 51 bands together to fight a raging fire on the 20th floor of the residential high-rise where Jay and Will Halstead's father lives and has gone missing; in the midst of the chaos, Brett learns unsettling information about her new partner.

Severide investigates a victim's motives after rescuing him and his child from a car accident; Boden clashes with Gorsch over appointing a new lieutenant; Mouch reaches out to a fellow firefighter; Cruz discovers he has a new admirer.

Herrmann faces hazing in his new role as lieutenant; Foster suspects a young gymnast's injury is more than meets the eye; Severide is jealous of Kidd's best friend; Casey and Boden turn to P.D. after treating two victims who have similar injuries.

Casey helps a reporter uncover the truth behind a trailer park fire; Boden attempts to make peace with Grissom; Hermann, Otis and Kidd take action when Molly's receives a bad Yelp review; Severide reaches out to his father for a favor.

A long-time member of organised crime falls in love with Diana, prompting him to reevaluate his life and contemplate a future beyond his criminal activities.

Boden's chances for a promotion are met with potential complications; Dawson and Casey don't see eye to eye on an important decision; Kidd finds herself struggling to find time with Severide; Brett and Dawson respond to a tough call.

Boden's chances for a promotion are met with potential complications; Dawson and Casey don't see eye to eye on an important decision; Kidd finds herself struggling to find time with Severide; Brett and Dawson respond to a tough call.

Reeling from Dawson's continued absence, Casey makes a rash move during a rescue, while Brett struggles with a series of replacement partners; meanwhile, Boden faces scrutiny from Commissioner Grissom, who sends his deputy to monitor Firehouse 51.

Reeling from Dawson's continued absence, Casey makes a rash move during a rescue, while Brett struggles with a series of replacement partners; meanwhile, Boden faces scrutiny from Commissioner Grissom, who sends his deputy to monitor Firehouse 51.

Firehouse 51 bands together to fight a raging fire on the 20th floor of the residential high-rise where Jay and Will Halstead's father lives and has gone missing; in the midst of the chaos, Brett learns unsettling information about her new partner.

Firehouse 51 bands together to fight a raging fire on the 20th floor of the residential high-rise where Jay and Will Halstead's father lives and has gone missing; in the midst of the chaos, Brett learns unsettling information about her new partner.

Severide investigates a victim's motives after rescuing him and his child from a car accident; Boden clashes with Gorsch over appointing a new lieutenant; Mouch reaches out to a fellow firefighter; Cruz discovers he has a new admirer.

Severide investigates a victim's motives after rescuing him and his child from a car accident; Boden clashes with Gorsch over appointing a new lieutenant; Mouch reaches out to a fellow firefighter; Cruz discovers he has a new admirer.

Herrmann faces hazing in his new role as lieutenant; Foster suspects a young gymnast's injury is more than meets the eye; Severide is jealous of Kidd's best friend; Casey and Boden turn to P.D. after treating two victims who have similar injuries.

Herrmann faces hazing in his new role as lieutenant; Foster suspects a young gymnast's injury is more than meets the eye; Severide is jealous of Kidd's best friend; Casey and Boden turn to P.D. after treating two victims who have similar injuries.

Casey helps a reporter uncover the truth behind a trailer park fire; Boden attempts to make peace with Grissom; Hermann, Otis and Kidd take action when Molly's receives a bad Yelp review; Severide reaches out to his father for a favor.

Casey helps a reporter uncover the truth behind a trailer park fire; Boden attempts to make peace with Grissom; Hermann, Otis and Kidd take action when Molly's receives a bad Yelp review; Severide reaches out to his father for a favor.

A long-time member of organised crime falls in love with Diana, prompting him to reevaluate his life and contemplate a future beyond his criminal activities.

A long-time member of organised crime falls in love with Diana, prompting him to reevaluate his life and contemplate a future beyond his criminal activities.

Boden's chances for a promotion are met with potential complications; Dawson and Casey don't see eye to eye on an important decision; Kidd finds herself struggling to find time with Severide; Brett and Dawson respond to a tough call.

Two neighbors who are down on their luck bond over their struggle; when one buries the other in debt with a hustle gone wrong, things fall apart, but their co-dependence keeps them entwined until an act of revenge.

Top criminal investigators, forensic scientists and behavioral analysts track three serial killers.

Meth dealers take Parker hostage when they mistake him for somebody else.

Two neighbors who are down on their luck bond over their struggle; when one buries the other in debt with a hustle gone wrong, things fall apart, but their co-dependence keeps them entwined until an act of revenge.

Top criminal investigators, forensic scientists and behavioral analysts track three serial killers.

Meth dealers take Parker hostage when they mistake him for somebody else.

Two neighbors who are down on their luck bond over their struggle; when one buries the other in debt with a hustle gone wrong, things fall apart, but their co-dependence keeps them entwined until an act of revenge.

Top criminal investigators, forensic scientists and behavioral analysts track three serial killers.

Meth dealers take Parker hostage when they mistake him for somebody else.

Dr. Rhodes challenges Dr. Charles and other hospital staff over treatment for Robin; Dr. Manning seeks help from Detective Halstead when a sensitive case involving a young girl turns into a crime; Goodwin helps a friend in distress.

An audacious new doctor arrives at Chicago Med; Dr. Halstead and Dr. Manning team up to diagnose a Syrian refugee who has no medical record; Robin is admitted back into the hospital; Noah hosts a graduation party.

The doctors of Chicago Med try to bring justice to the perpetrator in the shooting of Dr. Charles; Robin is discharged from the rehabilitation center, but Dr. Rhodes worries that her problems are not quite resolved; Maggie sticks up for a patient.

Dr. Manning goes to extreme measures to help a fearful pregnant woman; Dr. Choi and April try to strike a balance at work; Dr. Charles and Dr. Reese continue to disagree about their patients.

Goodwin is forced by the hospital board to implement new guidelines that cause headaches for the doctors; Dr. Rhodes and Ava continue to compete in the operating room; Dr. Charles and Dr. Reese are surprised by a patient's theory about his sickness.

Dr. Charles learns a troubling fact about the man who shot him; Dr. Rhodes and Dr. Bekker come to an agreement during a complicated surgery; Will and Natalie have an ethical dilemma; April and Noah discover working together isn't always easy.

June learns unexpected news and has difficulty coping; Serena begins planning for a future she hopes will bring her success and recognition.

Dr. Rhodes challenges Dr. Charles and other hospital staff over treatment for Robin; Dr. Manning seeks help from Detective Halstead when a sensitive case involving a young girl turns into a crime; Goodwin helps a friend in distress.

An audacious new doctor arrives at Chicago Med; Dr. Halstead and Dr. Manning team up to diagnose a Syrian refugee who has no medical record; Robin is admitted back into the hospital; Noah hosts a graduation party.

The doctors of Chicago Med try to bring justice to the perpetrator in the shooting of Dr. Charles; Robin is discharged from the rehabilitation center, but Dr. Rhodes worries that her problems are not quite resolved; Maggie sticks up for a patient.

Dr. Manning goes to extreme measures to help a fearful pregnant woman; Dr. Choi and April try to strike a balance at work; Dr. Charles and Dr. Reese continue to disagree about their patients.

Goodwin is forced by the hospital board to implement new guidelines that cause headaches for the doctors; Dr. Rhodes and Ava continue to compete in the operating room; Dr. Charles and Dr. Reese are surprised by a patient's theory about his sickness.

Dr. Charles learns a troubling fact about the man who shot him; Dr. Rhodes and Dr. Bekker come to an agreement during a complicated surgery; Will and Natalie have an ethical dilemma; April and Noah discover working together isn't always easy.

An ethical debate arises when a patient refuses to take an HIV test but still demands treatment; Natalie and Will try to diagnose a young girl with increasing paralysis; Noah deals with his first death as a resident; Sarah continues to avoid work.

Dr. Rhodes challenges Dr. Charles and other hospital staff over treatment for Robin; Dr. Manning seeks help from Detective Halstead when a sensitive case involving a young girl turns into a crime; Goodwin helps a friend in distress.

A bachelor is welcomed into a neighborhood, but things go south when he starts disputing the property lines; the warring parties film each other extensively but the cameras aren't running when violence erupts.

Knowledge of insects by a forensic entomologist leads police to the killer of a wife and mother of two.

The team questions a man's motives when he violently counters drug dealers vandalizing the bar he patronizes.

A bachelor is welcomed into a neighborhood, but things go south when he starts disputing the property lines; the warring parties film each other extensively but the cameras aren't running when violence erupts.

Knowledge of insects by a forensic entomologist leads police to the killer of a wife and mother of two.

The team questions a man's motives when he violently counters drug dealers vandalizing the bar he patronizes.

A bachelor is welcomed into a neighborhood, but things go south when he starts disputing the property lines; the warring parties film each other extensively but the cameras aren't running when violence erupts.

Knowledge of insects by a forensic entomologist leads police to the killer of a wife and mother of two.

The team questions a man's motives when he violently counters drug dealers vandalizing the bar he patronizes.

The 118 race to the rescue to a renaissance faire; an overbearing boss is poisoned; Athena fears for May's life when she encounters a disturbed young man; Uncle Buck babysits young Jee-Yun as Maddie and Chimney begin house-hunting.

The Santa Ana winds bring in a variety of weirder-than-usual emergencies; a family dog retrieves a severed hand; a young woman sleep-drives into the station; Denny questions Hen and Karen about his biological parents.

A dry thunderstorm rolls over Los Angeles, bringing in a series of lightning strike emergencies for the 118 and leaves a first responder's life hanging in the balance; Chimney get a surprise from a visiting Albert.

As Buck's life hangs in the balance, he dreams of a world where he never became a firefighter, for better and worse.

Despite the case being closed, Bobby is determined to prove his Alcoholics Anonymous sponsor was murdered and bring his killer to justice; Buck struggles with his post-traumatic stress.

Adapted from the New York Times bestselling novels by Robyn Carr, "Sullivan's Crossing" follows the journey of neurosurgeon Maggie Sullivan, whose perfectly planned life is turned upside down after finding herself in unexpected legal troubles. Needing time to reflect, she temporarily leaves her life in Boston and takes refuge in her childhood home of Sullivan's Crossing, a campground in picturesque Nova Scotia that is run by her estranged father, Sully. There, she must deal with her complicated present while she also navigates her painful past. Further complicating matters is a mysterious newcomer whose presence ultimately leads Maggie to question her carefully laid plans.

The 118 race to emergencies at a commercial bakery and a bodybuilding competition; Bobby's annual performance reviews send Chimney to the firefighter academy, where he runs into a familiar face; Eddie's aunt gets involved in his personal life.

The 118 race to the rescue to a renaissance faire; an overbearing boss is poisoned; Athena fears for May's life when she encounters a disturbed young man; Uncle Buck babysits young Jee-Yun as Maddie and Chimney begin house-hunting.

The Santa Ana winds bring in a variety of weirder-than-usual emergencies; a family dog retrieves a severed hand; a young woman sleep-drives into the station; Denny questions Hen and Karen about his biological parents.

A dry thunderstorm rolls over Los Angeles, bringing in a series of lightning strike emergencies for the 118 and leaves a first responder's life hanging in the balance; Chimney get a surprise from a visiting Albert.

As Buck's life hangs in the balance, he dreams of a world where he never became a firefighter, for better and worse.

Despite the case being closed, Bobby is determined to prove his Alcoholics Anonymous sponsor was murdered and bring his killer to justice; Buck struggles with his post-traumatic stress.

Adapted from the New York Times bestselling novels by Robyn Carr, "Sullivan's Crossing" follows the journey of neurosurgeon Maggie Sullivan, whose perfectly planned life is turned upside down after finding herself in unexpected legal troubles. Needing time to reflect, she temporarily leaves her life in Boston and takes refuge in her childhood home of Sullivan's Crossing, a campground in picturesque Nova Scotia that is run by her estranged father, Sully. There, she must deal with her complicated present while she also navigates her painful past. Further complicating matters is a mysterious newcomer whose presence ultimately leads Maggie to question her carefully laid plans.

The 118 race to emergencies at a commercial bakery and a bodybuilding competition; Bobby's annual performance reviews send Chimney to the firefighter academy, where he runs into a familiar face; Eddie's aunt gets involved in his personal life.

The 118 race to the rescue to a renaissance faire; an overbearing boss is poisoned; Athena fears for May's life when she encounters a disturbed young man; Uncle Buck babysits young Jee-Yun as Maddie and Chimney begin house-hunting.

When a resident revives an HOA to beautify her community, some neighbors are unhappy, believing the organization is fraudulent; tensions escalate when liens are placed on the house of a couple unwilling to pay, ending in a suburban shootout.

A serial killer in Spokane, Wash. murders prostitutes and leaves a bag with a smiley face on the victim's head.

A highly trained sniper booby-traps an arena that is slated to be destroyed.

When a resident revives an HOA to beautify her community, some neighbors are unhappy, believing the organization is fraudulent; tensions escalate when liens are placed on the house of a couple unwilling to pay, ending in a suburban shootout.

A serial killer in Spokane, Wash. murders prostitutes and leaves a bag with a smiley face on the victim's head.

A highly trained sniper booby-traps an arena that is slated to be destroyed.

When a resident revives an HOA to beautify her community, some neighbors are unhappy, believing the organization is fraudulent; tensions escalate when liens are placed on the house of a couple unwilling to pay, ending in a suburban shootout.

A serial killer in Spokane, Wash. murders prostitutes and leaves a bag with a smiley face on the victim's head.

A highly trained sniper booby-traps an arena that is slated to be destroyed.

Ethan tries to diagnose a man with no symptoms; Sarah uses pepper spray on an aggressive patient; Will treats a young couple willing to sacrifice anything to have a baby; Natalie must inform a woman that she was sterilized as a young girl.

Dr. Charles is pressured when Dr. Choi and Dr. Manning disagree with his medical decision regarding a baby born with an addiction to heroin; Dr. Rhodes deals with relationship issues; Goodwin helps Bert understand Lyla's sickness.

Dr. Choi struggles to help a woman cope with anorexia; after a suspension, Dr. Reese is immediately put to the test by Dr. Charles; a patient of Dr. Rhodes' is forcibly transferred; Dr. Halstead tries to get Dr. Manning's son to like him.

Dr. Choi and April suspect a patient's family might be abusing her; Dr. Manning and Dr. Halstead struggle with a family dealing with their premature baby; Dr. Rhodes is persuaded into performing a risky surgery on Dr. Bekker's mentor.

Dr. Manning struggles with the aftermath of a head injury; Dr. Manning and Dr. Halstead deal with a teenage patient and her overbearing older husband; Dr. Rhodes learns alarming information about the woman he went on a date with.

After a neighbor is stabbed, Dr. Choi enlists the help of April to figure out the real cause of the incident; Noah misdiagnoses a patient; Dr. Reese's estranged father comes to Dr. Charles as a patient without her knowledge.

Dr. Manning and Dr. Choi must deliver a baby under dire circumstances; Dr. Rhodes and Dr. Bekker argue about treating a boy with a chronic disease; Dr. Halstead and April are put in an uncomfortable situation; Goodwin and Maggie deal with a lawsuit.

Ethan tries to diagnose a man with no symptoms; Sarah uses pepper spray on an aggressive patient; Will treats a young couple willing to sacrifice anything to have a baby; Natalie must inform a woman that she was sterilized as a young girl.

Dr. Charles is pressured when Dr. Choi and Dr. Manning disagree with his medical decision regarding a baby born with an addiction to heroin; Dr. Rhodes deals with relationship issues; Goodwin helps Bert understand Lyla's sickness.

Dr. Choi struggles to help a woman cope with anorexia; after a suspension, Dr. Reese is immediately put to the test by Dr. Charles; a patient of Dr. Rhodes' is forcibly transferred; Dr. Halstead tries to get Dr. Manning's son to like him.

Dr. Choi and April suspect a patient's family might be abusing her; Dr. Manning and Dr. Halstead struggle with a family dealing with their premature baby; Dr. Rhodes is persuaded into performing a risky surgery on Dr. Bekker's mentor.

Dr. Manning struggles with the aftermath of a head injury; Dr. Manning and Dr. Halstead deal with a teenage patient and her overbearing older husband; Dr. Rhodes learns alarming information about the woman he went on a date with.

After a neighbor is stabbed, Dr. Choi enlists the help of April to figure out the real cause of the incident; Noah misdiagnoses a patient; Dr. Reese's estranged father comes to Dr. Charles as a patient without her knowledge.

Dr. Manning and Dr. Choi must deliver a baby under dire circumstances; Dr. Rhodes and Dr. Bekker argue about treating a boy with a chronic disease; Dr. Halstead and April are put in an uncomfortable situation; Goodwin and Maggie deal with a lawsuit.

Ethan tries to diagnose a man with no symptoms; Sarah uses pepper spray on an aggressive patient; Will treats a young couple willing to sacrifice anything to have a baby; Natalie must inform a woman that she was sterilized as a young girl.

A couple moves to the country and ruins the quiet their new neighbors have enjoyed for years; parties, loud kids, and a junk-strewn lawn push the Vietnam vet next door to build a fence, but violence boils over when property lines are disputed.

Officials look to state-of-the-art DNA analysis to help capture a serial killer in the Louisiana State University area of Baton Rouge.

When a young man is held captive by a carjacker, the team must figure out how to get in without hurting the baby in the car.

A couple moves to the country and ruins the quiet their new neighbors have enjoyed for years; parties, loud kids, and a junk-strewn lawn push the Vietnam vet next door to build a fence, but violence boils over when property lines are disputed.

Officials look to state-of-the-art DNA analysis to help capture a serial killer in the Louisiana State University area of Baton Rouge.

When a young man is held captive by a carjacker, the team must figure out how to get in without hurting the baby in the car.

A couple moves to the country and ruins the quiet their new neighbors have enjoyed for years; parties, loud kids, and a junk-strewn lawn push the Vietnam vet next door to build a fence, but violence boils over when property lines are disputed.

Officials look to state-of-the-art DNA analysis to help capture a serial killer in the Louisiana State University area of Baton Rouge.

When a young man is held captive by a carjacker, the team must figure out how to get in without hurting the baby in the car.

As it awaits news of Halstead's fate, the team turns its attention to an illegal arms dealer; Atwater discovers his brother is in Chicago and could be tied to the case; Voight must deal with Halstead's shooter; Burgess makes her decision.

Ruzek and Burgess' secret begins to have severe implications for their police work; a series of deadly acts of vandalism causes tensions to run high in the insular neighborhood of Canaryville; Atwater tries to reach out to his brother.

Voight makes a deal with Darius Walker to help bring down a rogue group of dirty cops dealing drugs that were supposed to be destroyed; Upton clashes with Voight and enacts her own form of justice.

After receiving a distressing 911 call, Burgess enlists the team's help to track down a girl caught up in a sex-trafficking ring.

A homeless man's murder leads Intelligence to a criminal who has evaded capture for years; Rojas has a troubling experience with a young mentally ill man.

After Max's declaration fractures his relationship with Avery, he leaves the ship and finds himself caught in an earthquake, which triggers a tsunami warning; with The Odyssey forced to leave port, Max races to return before it's too late.

When Reenie's client, Leo Sharf, hires Colter to track down his missing assistant before his company launch, the case takes a personal turn and Reenie becomes entangled in a deadly vendetta threatening both of their lives.

While investigating a murder in a rural town and clashing with the local sheriff, Will uncovers surprising truths about his past; Angie makes an unexpected discovery; Ormewood continues to struggle with his diagnosis.

After receiving a distressing 911 call, Burgess enlists the team's help to track down a girl caught up in a sex-trafficking ring.

When Reenie's client, Leo Sharf, hires Colter to track down his missing assistant before his company launch, the case takes a personal turn and Reenie becomes entangled in a deadly vendetta threatening both of their lives.

While investigating a murder in a rural town and clashing with the local sheriff, Will uncovers surprising truths about his past; Angie makes an unexpected discovery; Ormewood continues to struggle with his diagnosis.

After Max's declaration fractures his relationship with Avery, he leaves the ship and finds himself caught in an earthquake, which triggers a tsunami warning; with The Odyssey forced to leave port, Max races to return before it's too late.

Voight makes a deal with Darius Walker to help bring down a rogue group of dirty cops dealing drugs that were supposed to be destroyed; Upton clashes with Voight and enacts her own form of justice.

After receiving a distressing 911 call, Burgess enlists the team's help to track down a girl caught up in a sex-trafficking ring.

A homeless man's murder leads Intelligence to a criminal who has evaded capture for years; Rojas has a troubling experience with a young mentally ill man.

A small town encounters satanic rituals and a savage killer.

Top criminal investigators, forensic scientists and behavioral analysts track three serial killers.

Knowledge of insects by a forensic entomologist leads police to the killer of a wife and mother of two.

Intelligence searches for the dealer who caused multiple overdoses and is connected to Roman's missing sister; the case becomes a homicide investigation when they find the dealer's dead body.

An armed robbery case quickly turns into a homicide investigation; when one suspect's background suggests domestic violence, Upton is forced to reckon with her childhood; Voight and Halstead butt heads over Halstead's righteous instinct.

Voight enlists the help of a reformed gang member to get a key witness' testimony in a murder case; more lives are put on the line as a gang war brews.

Intelligence does everything they can to build a case against the elusive leader of a drug ring, but things get complicated when Rojas realizes someone she cares about might be involved.

The clock is on when Ruzek witnesses a woman's kidnapping and the team races to put the pieces together; Burgess tries to connect with Ruzek outside of work, but he mysteriously distances himself from her.

Atwater goes under cover to take down a gun trafficking ring but discovers an officer from his past is under cover in the same organization.

The team responds to the shooting of a 5-year-old girl and must work the case while facing the heightened attention on police reform; Atwater is targeted by officers who want to hurt him for standing against the blue wall.

Intelligence searches for the dealer who caused multiple overdoses and is connected to Roman's missing sister; the case becomes a homicide investigation when they find the dealer's dead body.

An armed robbery case quickly turns into a homicide investigation; when one suspect's background suggests domestic violence, Upton is forced to reckon with her childhood; Voight and Halstead butt heads over Halstead's righteous instinct.

Voight enlists the help of a reformed gang member to get a key witness' testimony in a murder case; more lives are put on the line as a gang war brews.

Intelligence does everything they can to build a case against the elusive leader of a drug ring, but things get complicated when Rojas realizes someone she cares about might be involved.

The clock is on when Ruzek witnesses a woman's kidnapping and the team races to put the pieces together; Burgess tries to connect with Ruzek outside of work, but he mysteriously distances himself from her.

Atwater goes under cover to take down a gun trafficking ring but discovers an officer from his past is under cover in the same organization.

The team responds to the shooting of a 5-year-old girl and must work the case while facing the heightened attention on police reform; Atwater is targeted by officers who want to hurt him for standing against the blue wall.

Intelligence searches for the dealer who caused multiple overdoses and is connected to Roman's missing sister; the case becomes a homicide investigation when they find the dealer's dead body.

An armed robbery case quickly turns into a homicide investigation; when one suspect's background suggests domestic violence, Upton is forced to reckon with her childhood; Voight and Halstead butt heads over Halstead's righteous instinct.

Voight enlists the help of a reformed gang member to get a key witness' testimony in a murder case; more lives are put on the line as a gang war brews.

Intelligence does everything they can to build a case against the elusive leader of a drug ring, but things get complicated when Rojas realizes someone she cares about might be involved.

The clock is on when Ruzek witnesses a woman's kidnapping and the team races to put the pieces together; Burgess tries to connect with Ruzek outside of work, but he mysteriously distances himself from her.

Atwater goes under cover to take down a gun trafficking ring but discovers an officer from his past is under cover in the same organization.

The team responds to the shooting of a 5-year-old girl and must work the case while facing the heightened attention on police reform; Atwater is targeted by officers who want to hurt him for standing against the blue wall.

Kidd and the team embark on a mission to help Severide as he struggles to process his father Benny's death; Brett suspects a teenage driver in a car accident is hiding something.

Severide lands in grave danger when Firehouse 51 battles a risky structure fire; Casey lends another helping hand to Naomi, the investigative reporter; Herrmann, Mouch, Otis and Cruz search for a tantalizing memento from Boden's past.

Firehouse 51 responds to a massive freeway accident that impacts someone close to them; Foster runs into someone from her past after a harrowing call; Casey and Naomi grow closer; Severide and Kidd's relationship is tested.

Casey and Naomi fight to escape a raging fire in Casey's apartment; Brett and the team struggle to create an engaging community fire safety presentation; Severide and Kidd's relationship reaches a crossroads.

Foster faces blowback after pointing out a doctor's oversight; Brett helps Casey look for a new apartment; Kidd prepares Tuesday the Dalmatian for the Fire Safety Dog Competition; a serious accusation is leveled against Severide.

Casey further investigates a motorcycle accident at the request of the victim's son; Kidd, Foster and Brett bond while helping Kidd fix a mistake; Mouch and Otis have a falling out after Otis' teasing hits a sore spot.

Cruz leads the charge in getting the firehouse to gear up for the Polar Plunge; Herrmann has a hard time bouncing back after dealing with a tough call; Foster's personal relationships begin to interfere with her job.

Brett, Foster and Kidd take a road trip to Indiana and encounter an accident involving a boys' hockey team that leaves them scrambling and relying on their instincts to save the injured; the rest of Firehouse 51 competes in the annual chili cook-off.

A spate of robberies comes to light after a firehouse lockbox key goes missing; Sgt. Hank Voight suspects a firefighter may be involved, and with Boden's support, he recruits Cruz to go under cover to help sniff out any suspicious activity.

Kidd and the team embark on a mission to help Severide as he struggles to process his father Benny's death; Brett suspects a teenage driver in a car accident is hiding something.

Severide lands in grave danger when Firehouse 51 battles a risky structure fire; Casey lends another helping hand to Naomi, the investigative reporter; Herrmann, Mouch, Otis and Cruz search for a tantalizing memento from Boden's past.

Firehouse 51 responds to a massive freeway accident that impacts someone close to them; Foster runs into someone from her past after a harrowing call; Casey and Naomi grow closer; Severide and Kidd's relationship is tested.

Casey and Naomi fight to escape a raging fire in Casey's apartment; Brett and the team struggle to create an engaging community fire safety presentation; Severide and Kidd's relationship reaches a crossroads.

Foster faces blowback after pointing out a doctor's oversight; Brett helps Casey look for a new apartment; Kidd prepares Tuesday the Dalmatian for the Fire Safety Dog Competition; a serious accusation is leveled against Severide.

Casey further investigates a motorcycle accident at the request of the victim's son; Kidd, Foster and Brett bond while helping Kidd fix a mistake; Mouch and Otis have a falling out after Otis' teasing hits a sore spot.

Cruz leads the charge in getting the firehouse to gear up for the Polar Plunge; Herrmann has a hard time bouncing back after dealing with a tough call; Foster's personal relationships begin to interfere with her job.

Brett, Foster and Kidd take a road trip to Indiana and encounter an accident involving a boys' hockey team that leaves them scrambling and relying on their instincts to save the injured; the rest of Firehouse 51 competes in the annual chili cook-off.

A spate of robberies comes to light after a firehouse lockbox key goes missing; Sgt. Hank Voight suspects a firefighter may be involved, and with Boden's support, he recruits Cruz to go under cover to help sniff out any suspicious activity.

Kidd and the team embark on a mission to help Severide as he struggles to process his father Benny's death; Brett suspects a teenage driver in a car accident is hiding something.

Severide lands in grave danger when Firehouse 51 battles a risky structure fire; Casey lends another helping hand to Naomi, the investigative reporter; Herrmann, Mouch, Otis and Cruz search for a tantalizing memento from Boden's past.

Firehouse 51 responds to a massive freeway accident that impacts someone close to them; Foster runs into someone from her past after a harrowing call; Casey and Naomi grow closer; Severide and Kidd's relationship is tested.

Casey and Naomi fight to escape a raging fire in Casey's apartment; Brett and the team struggle to create an engaging community fire safety presentation; Severide and Kidd's relationship reaches a crossroads.

Foster faces blowback after pointing out a doctor's oversight; Brett helps Casey look for a new apartment; Kidd prepares Tuesday the Dalmatian for the Fire Safety Dog Competition; a serious accusation is leveled against Severide.

Casey further investigates a motorcycle accident at the request of the victim's son; Kidd, Foster and Brett bond while helping Kidd fix a mistake; Mouch and Otis have a falling out after Otis' teasing hits a sore spot.

Two neighbors are the best of friends, but the relationship sours when one accuses the other of stealing from him; tensions rise after constant surveillance, accusations of snitching and a literal backstabbing, ending in a deadly on-camera shooting.

Investigating a series of fires in California's Sam Joaquin Valley that killed four, investigators determine a respected arson investigator may be the arsonist.

The team tracks a woman (Kelly Rowan) who has kidnapped two young girls.

Two neighbors are the best of friends, but the relationship sours when one accuses the other of stealing from him; tensions rise after constant surveillance, accusations of snitching and a literal backstabbing, ending in a deadly on-camera shooting.

Investigating a series of fires in California's Sam Joaquin Valley that killed four, investigators determine a respected arson investigator may be the arsonist.

The team tracks a woman (Kelly Rowan) who has kidnapped two young girls.

Two neighbors are the best of friends, but the relationship sours when one accuses the other of stealing from him; tensions rise after constant surveillance, accusations of snitching and a literal backstabbing, ending in a deadly on-camera shooting.

Investigating a series of fires in California's Sam Joaquin Valley that killed four, investigators determine a respected arson investigator may be the arsonist.

The team tracks a woman (Kelly Rowan) who has kidnapped two young girls.

Casey struggles after experiencing a narrow miss on a call; Otis wins a unique sporting opportunity in a raffle; Grissom turns to Severide for assistance when the mayor's office sends a task force to Firehouse 51.

Tensions run high between Casey and Herrmann after the firehouse responds to an apartment complex fire; after discovering something extremely suspicious during the call, Kidd and Severide do some investigating and get CPD on the case.

Severide gets angry at Cruz when he feels his orders were disobeyed in the field; Boden reconnects with an old high school friend during a call to a house fire. Herrmann has issues when one of his favorite knick-knacks from Molly's goes missing.

A horrible storm wreaks havoc on Chicago and impacts Firehouse 51 when the power goes off; when a little boy mysteriously shows up at the station, everyone works together to uncover who he belongs to; Foster and Kidd argue about Severide.

Severide and Boden search to uncover whether arson was the cause of a fire at a hair salon; Mouch, Herrmann, Otis and Kidd make a startling discovery while tracking down the missing piercing nozzle from Engine 27.

A serial arsonist cold case is reopened when Lt. Severide finds a connection to a recent salon fire; Firehouse 51 celebrates a retirement party.

A long-time member of organised crime falls in love with Diana, prompting him to reevaluate his life and contemplate a future beyond his criminal activities.

Casey struggles after experiencing a narrow miss on a call; Otis wins a unique sporting opportunity in a raffle; Grissom turns to Severide for assistance when the mayor's office sends a task force to Firehouse 51.

Tensions run high between Casey and Herrmann after the firehouse responds to an apartment complex fire; after discovering something extremely suspicious during the call, Kidd and Severide do some investigating and get CPD on the case.

Severide gets angry at Cruz when he feels his orders were disobeyed in the field; Boden reconnects with an old high school friend during a call to a house fire. Herrmann has issues when one of his favorite knick-knacks from Molly's goes missing.

A horrible storm wreaks havoc on Chicago and impacts Firehouse 51 when the power goes off; when a little boy mysteriously shows up at the station, everyone works together to uncover who he belongs to; Foster and Kidd argue about Severide.

Severide and Boden search to uncover whether arson was the cause of a fire at a hair salon; Mouch, Herrmann, Otis and Kidd make a startling discovery while tracking down the missing piercing nozzle from Engine 27.

A serial arsonist cold case is reopened when Lt. Severide finds a connection to a recent salon fire; Firehouse 51 celebrates a retirement party.

A long-time member of organised crime falls in love with Diana, prompting him to reevaluate his life and contemplate a future beyond his criminal activities.

Friendly neighbors on a peaceful street have their lives disrupted when a developer moves in and builds houses nearby; tempers flare over the access road he uses for heavy equipment, which fuels escalating threats and confrontations.

Investigators work to solve a double homicide in the small town of Hudson, Wisc.

Two brothers become involved with a white supremacy group planning a terrorist attack.

Friendly neighbors on a peaceful street have their lives disrupted when a developer moves in and builds houses nearby; tempers flare over the access road he uses for heavy equipment, which fuels escalating threats and confrontations.

Investigators work to solve a double homicide in the small town of Hudson, Wisc.

Two brothers become involved with a white supremacy group planning a terrorist attack.

Friendly neighbors on a peaceful street have their lives disrupted when a developer moves in and builds houses nearby; tempers flare over the access road he uses for heavy equipment, which fuels escalating threats and confrontations.

Investigators work to solve a double homicide in the small town of Hudson, Wisc.

Two brothers become involved with a white supremacy group planning a terrorist attack.

Dr. Manning and Dr. Choi must deliver a baby under dire circumstances; Dr. Rhodes and Dr. Bekker argue about treating a boy with a chronic disease; Dr. Halstead and April are put in an uncomfortable situation; Goodwin and Maggie deal with a lawsuit.

Dr. Halstead and Dr. Manning are at odds over the care of a vegetative man; Dr. Rhodes goes behind Dr. Bekker's back to get his patient at the top of the transplant list; a woman in the waiting room falls asleep and won't wake up.

After a baby is abducted, Goodwin enlists the help of Dr. Charles and Dr. Reese to find the suspect; due to the lockdown, Dr. Rhodes must figure out a way to get into the operating room to help perform open-heart surgery.

Dr. Charles and Dr. Reese search for answers when a mother claims her daughter is possessed; Dr. Rhodes and Dr. Bekker must find a way to save a pair of conjoined twins; Dr. Halstead struggles to get Dr. Manning's attention.

After taking the lead on a surgery, Dr. Bekker feels the heat after something goes wrong; Dr. Manning and Dr. Charles are faced with a tough decision concerning a 9-year-old girl; April and Dr. Reese rush to find the son of a dying patient.

After a 10-year-old boy is admitted to the hospital, Dr. Manning and Dr. Halstead disagree on how to handle the boy's parents; Dr. Rhodes rushes to fix a heart that will be given to Dr. Reese's estranged father.

June and Moira execute their dangerous plan; Serena makes a big commitment.

Dr. Manning and Dr. Choi must deliver a baby under dire circumstances; Dr. Rhodes and Dr. Bekker argue about treating a boy with a chronic disease; Dr. Halstead and April are put in an uncomfortable situation; Goodwin and Maggie deal with a lawsuit.

Dr. Halstead and Dr. Manning are at odds over the care of a vegetative man; Dr. Rhodes goes behind Dr. Bekker's back to get his patient at the top of the transplant list; a woman in the waiting room falls asleep and won't wake up.

After a baby is abducted, Goodwin enlists the help of Dr. Charles and Dr. Reese to find the suspect; due to the lockdown, Dr. Rhodes must figure out a way to get into the operating room to help perform open-heart surgery.

Dr. Charles and Dr. Reese search for answers when a mother claims her daughter is possessed; Dr. Rhodes and Dr. Bekker must find a way to save a pair of conjoined twins; Dr. Halstead struggles to get Dr. Manning's attention.

After taking the lead on a surgery, Dr. Bekker feels the heat after something goes wrong; Dr. Manning and Dr. Charles are faced with a tough decision concerning a 9-year-old girl; April and Dr. Reese rush to find the son of a dying patient.

After a 10-year-old boy is admitted to the hospital, Dr. Manning and Dr. Halstead disagree on how to handle the boy's parents; Dr. Rhodes rushes to fix a heart that will be given to Dr. Reese's estranged father.

After a shooting occurs during a block party, the staff is overrun with victims; Dr. Choi devises a new mass casualty plan; Dr. Manning struggles to stay focused when she realizes her son and nanny might have been at the scene.

Dr. Manning and Dr. Choi must deliver a baby under dire circumstances; Dr. Rhodes and Dr. Bekker argue about treating a boy with a chronic disease; Dr. Halstead and April are put in an uncomfortable situation; Goodwin and Maggie deal with a lawsuit.

A mother and daughter upscale their lives when they move into a beautiful suburban community; their next door neighbor takes an instant dislike to them and tensions rise until a vicious murder is caught on home video.

Police must use forensic science to solve the mystery of a prominent businessman whose burnt body is discovered.

A high school athlete threatens suicide after being kidnapped and beaten.

A mother and daughter upscale their lives when they move into a beautiful suburban community; their next door neighbor takes an instant dislike to them and tensions rise until a vicious murder is caught on home video.

Police must use forensic science to solve the mystery of a prominent businessman whose burnt body is discovered.

A high school athlete threatens suicide after being kidnapped and beaten.

A mother and daughter upscale their lives when they move into a beautiful suburban community; their next door neighbor takes an instant dislike to them and tensions rise until a vicious murder is caught on home video.

Police must use forensic science to solve the mystery of a prominent businessman whose burnt body is discovered.

A high school athlete threatens suicide after being kidnapped and beaten.

A fire breaks out in an accountant's office and a car crashes into a "living funeral"; Athena is shocked when a suspect dies in her custody minutes after she arrests him; Buck is attracted to a death doula; Maddie and Chimney are audited by the IRS.

The 118 race to rescue two roommates desperately trying to find a needle in a haystack at a landfill, and help a woman whose nightmare dream suddenly becomes a painful reality; Athena and Maddie team up to find a missing boy in a crowded mall.

A wedding proposal tragically intersects with a bank robbery; a bride is literally stuck on her way to the altar; Athena talks a victim through her grief; Buck finds a surprise visitor on his doorstep.

A series of freeway car accidents leads to a catastrophic overpass collapse that endangers the lives of civilians and members of the 118.

The first responders unwittingly become the subject of an eager reporter's first on-air assignment; Athena prepares for May's homecoming dance; the team responds to emergencies at an eating contest, a bodybuilding competition and a toddler pageant.