Mouch and Ritter work together to solve a murder mystery; Severide and Cruz tackle a food truck fire; Gallo goes to see Hawkins about Violet.

Severide and Seager team up to investigate a fire at the home of a troubled young woman; Pelham moves into 51's rumored cursed office; Kylie assists Kidd with Girls on Fire.

Chief Hawkins goes above and beyond to help Brett and Violet with a problem; Kidd pursues an open lieutenant position; a blast from the past asks Mouch and Herrmann for a favor.

Following an injury in the aftermath of an industrial fire, Severide and Seager work together to investigate an anonymous tip; Kidd searches for the right person to fill the open spot on Truck 81; a possible new recruit to 51 gets tested at a call.

Cruz forms a bond with a young immigrant boy he meets while fighting an apartment fire; Squad makes plans to prank the newest member of their team; Hawkins and Violet struggle to keep their relationship a secret.

Severide and Kidd work with CPD regarding a suspicious car wreck; Hawkins and Violet's relationship is in jeopardy; Chloe and Cruz adjust to a new family dynamic.

Firehouse 51 must band together when one of its own is taken hostage.

A family moves into a Minnesota lake house, then a dispute with a neighbor over water access escalates until it leads to a bloody resolution.

Criminals are betrayed by the clues their own bodies leave behind.

Ed gambles with his own safety; Robyn drains her family bank accounts to help Dan get out of debt; Dan confesses his love for Robyn.

A family moves into a Minnesota lake house, then a dispute with a neighbor over water access escalates until it leads to a bloody resolution.

Criminals are betrayed by the clues their own bodies leave behind.

Ed gambles with his own safety; Robyn drains her family bank accounts to help Dan get out of debt; Dan confesses his love for Robyn.

A family moves into a Minnesota lake house, then a dispute with a neighbor over water access escalates until it leads to a bloody resolution.

Criminals are betrayed by the clues their own bodies leave behind.

Ed gambles with his own safety; Robyn drains her family bank accounts to help Dan get out of debt; Dan confesses his love for Robyn.

The big wedding day arrives and Firehouse 51 welcomes Casey back to celebrate the joyous occasion; Emma's plans to replace Violet come to a shocking end.

Kidd and Severide's honeymoon is interrupted by a dangerous person from their past; Kidd's former academy classmate joins Firehouse 51; Brett and Violet reflect on their relationships.

Javi spends a couple of shifts at Firehouse 51; Kidd and Carver work together to help Carver's former boss; as Hawkins and Violet's relationship blossoms, Gallo turns his attention elsewhere.

Kidd recruits Carver, Capp and Tony to help prepare her new lieutenant's quarters; Severide and Detective Pryma reluctantly pair up to work a police investigation; Firehouse 51 comes together to fight a movie theater fire.

Kidd gets a glimpse into Carver's chaotic personal life; Mouch and Herrmann receive an unexpected gift.

Firehouse 51 hosts a Halloween open house; Kidd and Severide help a young girl after she gets kicked out of her home.

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.

The big wedding day arrives and Firehouse 51 welcomes Casey back to celebrate the joyous occasion; Emma's plans to replace Violet come to a shocking end.

Kidd and Severide's honeymoon is interrupted by a dangerous person from their past; Kidd's former academy classmate joins Firehouse 51; Brett and Violet reflect on their relationships.

Javi spends a couple of shifts at Firehouse 51; Kidd and Carver work together to help Carver's former boss; as Hawkins and Violet's relationship blossoms, Gallo turns his attention elsewhere.

Kidd recruits Carver, Capp and Tony to help prepare her new lieutenant's quarters; Severide and Detective Pryma reluctantly pair up to work a police investigation; Firehouse 51 comes together to fight a movie theater fire.

Kidd gets a glimpse into Carver's chaotic personal life; Mouch and Herrmann receive an unexpected gift.

Firehouse 51 hosts a Halloween open house; Kidd and Severide help a young girl after she gets kicked out of her home.

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.

In Elyria, Ohio, two neighboring families live in harmony for decades, then their friendly coexistence devolves into acrimony, accusations and violence.

Using technology to solve crime.

Logan's widow starts a chain reaction campaign to kill people from her husband's captor's families.

In Elyria, Ohio, two neighboring families live in harmony for decades, then their friendly coexistence devolves into acrimony, accusations and violence.

Using technology to solve crime.

Logan's widow starts a chain reaction campaign to kill people from her husband's captor's families.

In Elyria, Ohio, two neighboring families live in harmony for decades, then their friendly coexistence devolves into acrimony, accusations and violence.

Using technology to solve crime.

Logan's widow starts a chain reaction campaign to kill people from her husband's captor's families.

Goodwin announces a new ED Chief, and the choice doesn't make everyone happy; Dr. Manning takes a stand for her patient and finds herself dealing with the repercussions; Dr. Charles tends to family affairs.

Dr. Charles and April team up to take on a mysterious patient in the ED; Dr. Halstead is forced to make a life-or-death decision for one of his trial patients; Dr. Marcel is confronted by his past when a former acquaintance is brought into the ED.

Dr. Marcel and Dr. Manning lay everything on the line to assist a sick woman; Dr. Halstead faces an uphill battle in getting participants involved in his clinical trial; Dr. Choi clashes with a patient who demands absolute perfection of himself.

Dr. Halstead finds continued success in his trial; Dr. Charles' daughter, Anna, receives life-changing news; Noah finds himself in a situation not even April can fix.

Choi helps a patient with chronic pain find a solution; Halstead considers a new path; Charles and Anna bond over a scary situation.

Halstead runs into trouble when one of his trial patients falls ill; his own stress and symptoms have Choi struggling to get through the day.

Choi hires an old Navy colleague to join him in the ED; a final custody hearing threatens to separate Charles and his daughter; Maggie must make a choice that will change Auggie's life.

Goodwin announces a new ED Chief, and the choice doesn't make everyone happy; Dr. Manning takes a stand for her patient and finds herself dealing with the repercussions; Dr. Charles tends to family affairs.

Dr. Charles and April team up to take on a mysterious patient in the ED; Dr. Halstead is forced to make a life-or-death decision for one of his trial patients; Dr. Marcel is confronted by his past when a former acquaintance is brought into the ED.

Dr. Marcel and Dr. Manning lay everything on the line to assist a sick woman; Dr. Halstead faces an uphill battle in getting participants involved in his clinical trial; Dr. Choi clashes with a patient who demands absolute perfection of himself.

Dr. Halstead finds continued success in his trial; Dr. Charles' daughter, Anna, receives life-changing news; Noah finds himself in a situation not even April can fix.

Choi helps a patient with chronic pain find a solution; Halstead considers a new path; Charles and Anna bond over a scary situation.

Halstead runs into trouble when one of his trial patients falls ill; his own stress and symptoms have Choi struggling to get through the day.

Choi hires an old Navy colleague to join him in the ED; a final custody hearing threatens to separate Charles and his daughter; Maggie must make a choice that will change Auggie's life.

Goodwin announces a new ED Chief, and the choice doesn't make everyone happy; Dr. Manning takes a stand for her patient and finds herself dealing with the repercussions; Dr. Charles tends to family affairs.

When family members fall ill from deadly poison found in their soda, investigators turn their attention to the quiet couple who live next door.

Murder weapons often hold several critical forensic clues about the crime.

Hijackers commandeer a passenger jet to bargain for a prisoners release.

When family members fall ill from deadly poison found in their soda, investigators turn their attention to the quiet couple who live next door.

Murder weapons often hold several critical forensic clues about the crime.

Hijackers commandeer a passenger jet to bargain for a prisoners release.

When family members fall ill from deadly poison found in their soda, investigators turn their attention to the quiet couple who live next door.

Murder weapons often hold several critical forensic clues about the crime.

Hijackers commandeer a passenger jet to bargain for a prisoners release.

The 118 races to rescue a little girl in a runaway hot air balloon and help with a city power outage caused by a hijacked tree-trimmer truck; Athena's investigation into the serial rapist case puts her life in jeopardy.

The 118 rush to save lives in the aftermath of a massive train derailment.

When the Hollywood Reservoir dam breaks, Bobby and the 118 race into action to save passengers on a city bus that has crashed into a building several stories in the air; the team adjusts to life as first responders during the pandemic.

In the aftermath of the dam break, massive mudslides wreak havoc throughout Los Angeles; Athena fights to save herself and an agoraphobic woman after her house collapses; a group of pregnant women trapped in a submerged house.

The team races to save a man under siege by his high-tech smart home; a yoga teacher loses her vision; Athena hunts down a bank robber disguised by COVID-19 protocols; members of the 118's crew prepare for an out-of-state mission.

Everyone at the Crossing bands together to look for Lola and Jacob when it comes to light that the two never made it home from the woods.

The 118 races to save the lives of workers trapped in a factory fire; Maddie reveals a painful family secret that causes Buck to confront his childhood and answer why he is the daredevil he is today.

The 118 races to rescue a little girl in a runaway hot air balloon and help with a city power outage caused by a hijacked tree-trimmer truck; Athena's investigation into the serial rapist case puts her life in jeopardy.

The 118 rush to save lives in the aftermath of a massive train derailment.

When the Hollywood Reservoir dam breaks, Bobby and the 118 race into action to save passengers on a city bus that has crashed into a building several stories in the air; the team adjusts to life as first responders during the pandemic.

In the aftermath of the dam break, massive mudslides wreak havoc throughout Los Angeles; Athena fights to save herself and an agoraphobic woman after her house collapses; a group of pregnant women trapped in a submerged house.

The team races to save a man under siege by his high-tech smart home; a yoga teacher loses her vision; Athena hunts down a bank robber disguised by COVID-19 protocols; members of the 118's crew prepare for an out-of-state mission.

Everyone at the Crossing bands together to look for Lola and Jacob when it comes to light that the two never made it home from the woods.

The 118 races to save the lives of workers trapped in a factory fire; Maddie reveals a painful family secret that causes Buck to confront his childhood and answer why he is the daredevil he is today.

The 118 races to rescue a little girl in a runaway hot air balloon and help with a city power outage caused by a hijacked tree-trimmer truck; Athena's investigation into the serial rapist case puts her life in jeopardy.

A couple moves to an idyllic California beach town and hits it off with their new neighbors, then one of the wives descends into drugs and madness, terrorizing the other.

Killers attempt to use the elements to cover their crimes.

Team One must figure out how to get a Chinatown gang to release a local shop owner.

A couple moves to an idyllic California beach town and hits it off with their new neighbors, then one of the wives descends into drugs and madness, terrorizing the other.

Killers attempt to use the elements to cover their crimes.

Team One must figure out how to get a Chinatown gang to release a local shop owner.

A couple moves to an idyllic California beach town and hits it off with their new neighbors, then one of the wives descends into drugs and madness, terrorizing the other.

Killers attempt to use the elements to cover their crimes.

Team One must figure out how to get a Chinatown gang to release a local shop owner.

As Manning deals with her own trauma, she steps in to help a mother in need; Dean continues to stir the pot with more than one doctor; a patient comes to Med needing immediate treatment but doesn't want it from them.

Marcel deals with a patient who ends up having more in common with him than he thinks; Halstead and Choi clash over a pregnant patient with an irregular heartbeat.

Choi teams up with an unexpected person to treat a famous tennis player who is afraid his career might be over; Goodwin's new protocols cause a stir.

Archer and Choi respond to a scene that brings back some bad memories; when Carol's condition worsens, Manning is willing to do whatever it takes to get her mom feeling better.

An auto accident sends Goodwin into a spiral as she tries to help a young boy and his mother; Manning's secretive behavior begins to draw the attention of Marcel and Halstead.

Third-year med students begin their rotation in the ED, and Maggie keeps a careful eye on one of them; Manning, whose mom's health takes another decline, tries to cover up how she broke the rules to treat her.

Marcel worries he made a surgical error when a recent transplant patient comes in with complications; Carol is once again in distress; Halstead and Manning must take action to right their wrong.

As Manning deals with her own trauma, she steps in to help a mother in need; Dean continues to stir the pot with more than one doctor; a patient comes to Med needing immediate treatment but doesn't want it from them.

Marcel deals with a patient who ends up having more in common with him than he thinks; Halstead and Choi clash over a pregnant patient with an irregular heartbeat.

Choi teams up with an unexpected person to treat a famous tennis player who is afraid his career might be over; Goodwin's new protocols cause a stir.

Archer and Choi respond to a scene that brings back some bad memories; when Carol's condition worsens, Manning is willing to do whatever it takes to get her mom feeling better.

An auto accident sends Goodwin into a spiral as she tries to help a young boy and his mother; Manning's secretive behavior begins to draw the attention of Marcel and Halstead.

Third-year med students begin their rotation in the ED, and Maggie keeps a careful eye on one of them; Manning, whose mom's health takes another decline, tries to cover up how she broke the rules to treat her.

Marcel worries he made a surgical error when a recent transplant patient comes in with complications; Carol is once again in distress; Halstead and Manning must take action to right their wrong.

As Manning deals with her own trauma, she steps in to help a mother in need; Dean continues to stir the pot with more than one doctor; a patient comes to Med needing immediate treatment but doesn't want it from them.

When neighbors stand up to a bully after his dog bites their son, a grudge he's been nursing for decades finally explodes into a frenzy of violence.

In fall 1991, Toronto was paralyzed by the story of a missing six-year-old girl found raped and murdered in the boiler room of her apartment building; with four suspects, CSIs turned to the brand-new science of DNA to catch the killer.

A violent patient takes a guard hostage and injures a fellow patient.

When neighbors stand up to a bully after his dog bites their son, a grudge he's been nursing for decades finally explodes into a frenzy of violence.

In fall 1991, Toronto was paralyzed by the story of a missing six-year-old girl found raped and murdered in the boiler room of her apartment building; with four suspects, CSIs turned to the brand-new science of DNA to catch the killer.

A violent patient takes a guard hostage and injures a fellow patient.

When neighbors stand up to a bully after his dog bites their son, a grudge he's been nursing for decades finally explodes into a frenzy of violence.

In fall 1991, Toronto was paralyzed by the story of a missing six-year-old girl found raped and murdered in the boiler room of her apartment building; with four suspects, CSIs turned to the brand-new science of DNA to catch the killer.

A violent patient takes a guard hostage and injures a fellow patient.

A tragic crime leads the team closer to the Beck family and their deadly ideology; Ruzek makes progress infiltrating the Becks, earning Samantha and Richard's trust with a bold move.

Atwater's worlds collide when a shooting at the building he owns in Burnside leaves a child dead; Atwater must confront his relationship with his father, Lew, as the brutal case forces them together.

Upton is unwittingly drawn into a deadly betrayal and finds herself in a fight for her life; with minimal leads, Voight and the team scramble to find her before it's too late.

Torres finds himself in the midst of a murder case that hits close to home and threatens to expose his troubled past; as he struggles to reconcile his old life with his new one, Voight keeps a watchful eye.

As Richard Beck's timeline for a deadly attack moves up and Samantha panics, Ruzek and the team scramble to get ahead of unprecedented disaster.

Half of the Librarian team gets trapped on a runaway ghost train; can the rest of the team help in solving the unresolved business of the ghosts on board before the train completes a rampage of destruction?

Our team runs the "Christmas Carol" con on a wannabe cryonics mogul who coerces dying patients into exploitative contracts bankrupting the loved ones they leave behind.

After a failed assassination attempt, Yolanda Guerra arrives from Colombia to take matters into her own hands; when she discovers Roman saved Nestor's life, the Colombians target Roman's family.

Atwater's worlds collide when a shooting at the building he owns in Burnside leaves a child dead; Atwater must confront his relationship with his father, Lew, as the brutal case forces them together.

Upton is unwittingly drawn into a deadly betrayal and finds herself in a fight for her life; with minimal leads, Voight and the team scramble to find her before it's too late.

Torres finds himself in the midst of a murder case that hits close to home and threatens to expose his troubled past; as he struggles to reconcile his old life with his new one, Voight keeps a watchful eye.

Half of the Librarian team gets trapped on a runaway ghost train; can the rest of the team help in solving the unresolved business of the ghosts on board before the train completes a rampage of destruction?

Our team runs the "Christmas Carol" con on a wannabe cryonics mogul who coerces dying patients into exploitative contracts bankrupting the loved ones they leave behind.

After a failed assassination attempt, Yolanda Guerra arrives from Colombia to take matters into her own hands; when she discovers Roman saved Nestor's life, the Colombians target Roman's family.

A killer who leaves messages signed "Jack" terrorizes East Point, Ga.

Police discover a murdered teenage girl was involved in a love triangle.

Todd Kendhammer claims his wife was killed in a freak car accident but the forensic evidence doesn't back him up.

Burgess works an extra shift at the 13th District and gets caught in the middle of a drive-by attack on refugees; the team works together to track down the shooter and uncover the true motive behind the attack.

Returning from furlough, Torres goes under cover in a tense and high-stakes drug trafficking case.

Atwater turns to an unlikely source of support when a string of jewelry store robberies shakes his confidence.

Intelligence teams up with ASA Chapman to take on an abduction case involving a teenager; the case hits close to home for Voight, leading him to take a personal interest in finding justice for the victim.

An ongoing case hits close to home for Voight as Intelligence teams up with an SVU detective to track down a prolific offender.

Upton brings SVU detective Petrovic back into the fold to help with the investigation of a tender-age kidnapping.

Torres' personal involvement with an informant jeopardizes his safety and threatens to expose an undercover operation.

Burgess works an extra shift at the 13th District and gets caught in the middle of a drive-by attack on refugees; the team works together to track down the shooter and uncover the true motive behind the attack.

Returning from furlough, Torres goes under cover in a tense and high-stakes drug trafficking case.

Atwater turns to an unlikely source of support when a string of jewelry store robberies shakes his confidence.

Intelligence teams up with ASA Chapman to take on an abduction case involving a teenager; the case hits close to home for Voight, leading him to take a personal interest in finding justice for the victim.

An ongoing case hits close to home for Voight as Intelligence teams up with an SVU detective to track down a prolific offender.

Upton brings SVU detective Petrovic back into the fold to help with the investigation of a tender-age kidnapping.

Torres' personal involvement with an informant jeopardizes his safety and threatens to expose an undercover operation.

Burgess works an extra shift at the 13th District and gets caught in the middle of a drive-by attack on refugees; the team works together to track down the shooter and uncover the true motive behind the attack.

Returning from furlough, Torres goes under cover in a tense and high-stakes drug trafficking case.

Atwater turns to an unlikely source of support when a string of jewelry store robberies shakes his confidence.

Intelligence teams up with ASA Chapman to take on an abduction case involving a teenager; the case hits close to home for Voight, leading him to take a personal interest in finding justice for the victim.

An ongoing case hits close to home for Voight as Intelligence teams up with an SVU detective to track down a prolific offender.

Upton brings SVU detective Petrovic back into the fold to help with the investigation of a tender-age kidnapping.

Torres' personal involvement with an informant jeopardizes his safety and threatens to expose an undercover operation.

Herrmann is tasked with fulfilling a man's dying wish; Kidd reflects on her Girls on Fire program after one of her students graduates from the Fire Academy; a heckler harasses Firehouse 51.

Detective Pryma asks for Severide's help on a case involving explosives; Gallo and Carver clash.

Severide struggles with the cost of helping Det. Pryma with the Martucci case; Gallo campaigns for Herrmann to represent 51 at the National Firefighter's Association's Winter Conference; a familiar face makes a shocking return.

Detective Pryma's case comes to an explosive end with Kidd and Carver's lives in danger; Brett installs an infant safe surrender box at 51; Violet is determined to take Emma down.

Firehouse 51 prepares for their semi-annual firehouse inspection; Brett fights to save her paramedicine program; Commander Martin Pearce asks Severide for a favor.

Truck and squad clash after a tense call rescuing a doomsday prepper; Herrmann struggles with Cindy's diagnosis; Violet gives Brett and Gallo dating advice.

Firehouse 51 helps Herrmann put on a school fundraiser; Carver's troubled brother comes to town; a grateful citizen is determined to thank Brett and Severide for saving his life.

An annoying floater takes a romantic interest in Violet; Ritter catches a local politician in a compromising position; Mouch and Severide help Trudy with an arson investigation.

Kidd, Seager and Carver investigate a fire at the city stables; Kylie clashes with some of the firefighters over changes due to budget cuts; Herrmann struggles to keep it together as Cindy's condition worsens.

Herrmann is tasked with fulfilling a man's dying wish; Kidd reflects on her Girls on Fire program after one of her students graduates from the Fire Academy; a heckler harasses Firehouse 51.

Detective Pryma asks for Severide's help on a case involving explosives; Gallo and Carver clash.

Severide struggles with the cost of helping Det. Pryma with the Martucci case; Gallo campaigns for Herrmann to represent 51 at the National Firefighter's Association's Winter Conference; a familiar face makes a shocking return.

Detective Pryma's case comes to an explosive end with Kidd and Carver's lives in danger; Brett installs an infant safe surrender box at 51; Violet is determined to take Emma down.

Firehouse 51 prepares for their semi-annual firehouse inspection; Brett fights to save her paramedicine program; Commander Martin Pearce asks Severide for a favor.

Truck and squad clash after a tense call rescuing a doomsday prepper; Herrmann struggles with Cindy's diagnosis; Violet gives Brett and Gallo dating advice.

Firehouse 51 helps Herrmann put on a school fundraiser; Carver's troubled brother comes to town; a grateful citizen is determined to thank Brett and Severide for saving his life.

An annoying floater takes a romantic interest in Violet; Ritter catches a local politician in a compromising position; Mouch and Severide help Trudy with an arson investigation.

Kidd, Seager and Carver investigate a fire at the city stables; Kylie clashes with some of the firefighters over changes due to budget cuts; Herrmann struggles to keep it together as Cindy's condition worsens.

Herrmann is tasked with fulfilling a man's dying wish; Kidd reflects on her Girls on Fire program after one of her students graduates from the Fire Academy; a heckler harasses Firehouse 51.

Detective Pryma asks for Severide's help on a case involving explosives; Gallo and Carver clash.

Severide struggles with the cost of helping Det. Pryma with the Martucci case; Gallo campaigns for Herrmann to represent 51 at the National Firefighter's Association's Winter Conference; a familiar face makes a shocking return.

Detective Pryma's case comes to an explosive end with Kidd and Carver's lives in danger; Brett installs an infant safe surrender box at 51; Violet is determined to take Emma down.

Firehouse 51 prepares for their semi-annual firehouse inspection; Brett fights to save her paramedicine program; Commander Martin Pearce asks Severide for a favor.

Truck and squad clash after a tense call rescuing a doomsday prepper; Herrmann struggles with Cindy's diagnosis; Violet gives Brett and Gallo dating advice.

When a freewheeling family moves from California to the conservative enclave of Leesburg, Va., they get on the wrong side of one of their neighbors, and the conflict escalates until bullets fly and blood flows in the street.

In 1988, motorists discover human body parts dumped along the highway.

A bold heist at a stadium lures Team One into an ex-cop's violent plan to defeat the man he blames for ruining his life.

When a freewheeling family moves from California to the conservative enclave of Leesburg, Va., they get on the wrong side of one of their neighbors, and the conflict escalates until bullets fly and blood flows in the street.

In 1988, motorists discover human body parts dumped along the highway.

A bold heist at a stadium lures Team One into an ex-cop's violent plan to defeat the man he blames for ruining his life.

When a freewheeling family moves from California to the conservative enclave of Leesburg, Va., they get on the wrong side of one of their neighbors, and the conflict escalates until bullets fly and blood flows in the street.

In 1988, motorists discover human body parts dumped along the highway.

A bold heist at a stadium lures Team One into an ex-cop's violent plan to defeat the man he blames for ruining his life.

Cruz feels the burden of his increased responsibilities; Kidd, Gallo and Carver get caught in the middle of a gang war on a call; Herrmann wrangles Trudy for help lifting Cindy's mood.

Mouch builds a classic firetruck model for the Deputy District Chief but needs assistance from Gallo and Ritter; Brett and Violet encounter multiple victims with a strange set of symptoms; Cindy's chemotherapy results loom over the Herrmann family.

A familiar face returns to Firehouse 51 to serve with Kidd on a special task force; with Tony close to breaking the CFD's perfect attendance record, Mouch and Capp work to keep him safe; old grudges resurface when Gallo reunites with a family member.

Boden, Ritter, Herrmann and Kidd work together to take down a local politician responsible for a chemical fire; after his aunt's accident, Gallo worries about their future; Brett steps in to perform Dylan's magic show when he's out of town.

Herrmann works on becoming a better man after Cindy's cancer journey; Kidd bonds with a homeless victim on a call; Kylie takes her firefighter exams; a harrowing call takes a toll on Brett.

Carver deals with the fallout of his arrest; Brett searches for closure with the baby she rescued; Capp weasels his way into the Firehouse 51 group chat.

Imogen visits a refugee camp in the remote mountains on the Turkish and Syrian border, and among the chaos, she seeks out Adilah, who has been separated and detained from the rest of the refugees.

Cruz feels the burden of his increased responsibilities; Kidd, Gallo and Carver get caught in the middle of a gang war on a call; Herrmann wrangles Trudy for help lifting Cindy's mood.

Mouch builds a classic firetruck model for the Deputy District Chief but needs assistance from Gallo and Ritter; Brett and Violet encounter multiple victims with a strange set of symptoms; Cindy's chemotherapy results loom over the Herrmann family.

A familiar face returns to Firehouse 51 to serve with Kidd on a special task force; with Tony close to breaking the CFD's perfect attendance record, Mouch and Capp work to keep him safe; old grudges resurface when Gallo reunites with a family member.

Boden, Ritter, Herrmann and Kidd work together to take down a local politician responsible for a chemical fire; after his aunt's accident, Gallo worries about their future; Brett steps in to perform Dylan's magic show when he's out of town.

Herrmann works on becoming a better man after Cindy's cancer journey; Kidd bonds with a homeless victim on a call; Kylie takes her firefighter exams; a harrowing call takes a toll on Brett.

Carver deals with the fallout of his arrest; Brett searches for closure with the baby she rescued; Capp weasels his way into the Firehouse 51 group chat.

Imogen visits a refugee camp in the remote mountains on the Turkish and Syrian border, and among the chaos, she seeks out Adilah, who has been separated and detained from the rest of the refugees.

Cruz feels the burden of his increased responsibilities; Kidd, Gallo and Carver get caught in the middle of a gang war on a call; Herrmann wrangles Trudy for help lifting Cindy's mood.

Seeking to make a fresh start in Las Vegas, a teacher and her son find themselves the targets of harassment and escalating intimidation by the woman who lives next door.

In 1990, Gainesville, Fla., becomes the site of a number of coed murders.

Spike finds himself held at gunpoint; the team races to a shots-fired call.

Seeking to make a fresh start in Las Vegas, a teacher and her son find themselves the targets of harassment and escalating intimidation by the woman who lives next door.

In 1990, Gainesville, Fla., becomes the site of a number of coed murders.

Spike finds himself held at gunpoint; the team races to a shots-fired call.

Seeking to make a fresh start in Las Vegas, a teacher and her son find themselves the targets of harassment and escalating intimidation by the woman who lives next door.

In 1990, Gainesville, Fla., becomes the site of a number of coed murders.

Spike finds himself held at gunpoint; the team races to a shots-fired call.

Carol receives a second chance at life when a new heart becomes available; Choi and Archer find themselves in hot water with an old patient; Halstead faces the consequences of the stolen trial medication.

Halstead returns to Med to help Goodwin with a secret investigation; Archer and Charles deal with twins who insist on being identical inside and out; Stevie and Dylan treat a young patient with sickle cell anemia.

Vanessa and Archer disagree on how to handle the victim of a motorcycle accident; Scott and Charles deal with a UNICEF negotiator with repressed trauma; Hammer and Halstead treat a high schooler with Addison's disease and a clingy mother.

Scott and Halstead deal with a dishonest patient whose lupus is in remission; a wealthy donor makes inappropriate advances toward Hammer; Vanessa, Marcel and Charles try to convince a young woman to have life-saving surgery.

Charles helps Scott with a longtime patient who was recently diagnosed with schizophrenia; Hammer, Maggie and Vanessa investigate the legitimacy of a patient's cancer diagnosis; Crockett is caught off guard; Will pitches a new medical technology.

Scott and Charles treat patients suffering from glass child syndrome and misdiagnosed ADHD; Crockett has to navigate hospital politics when he cares for a surgeon's daughter; Halstead and Hammer must lay egos aside to help save an elderly patient.

Hammer's worlds collide when her mother becomes her patient; Scott's history with the father of a patient interferes with his perception of a case; Crockett's allegiances are challenged when his patient's liver is a potential transplant match.

Carol receives a second chance at life when a new heart becomes available; Choi and Archer find themselves in hot water with an old patient; Halstead faces the consequences of the stolen trial medication.

Halstead returns to Med to help Goodwin with a secret investigation; Archer and Charles deal with twins who insist on being identical inside and out; Stevie and Dylan treat a young patient with sickle cell anemia.

Vanessa and Archer disagree on how to handle the victim of a motorcycle accident; Scott and Charles deal with a UNICEF negotiator with repressed trauma; Hammer and Halstead treat a high schooler with Addison's disease and a clingy mother.

Scott and Halstead deal with a dishonest patient whose lupus is in remission; a wealthy donor makes inappropriate advances toward Hammer; Vanessa, Marcel and Charles try to convince a young woman to have life-saving surgery.

Charles helps Scott with a longtime patient who was recently diagnosed with schizophrenia; Hammer, Maggie and Vanessa investigate the legitimacy of a patient's cancer diagnosis; Crockett is caught off guard; Will pitches a new medical technology.

Scott and Charles treat patients suffering from glass child syndrome and misdiagnosed ADHD; Crockett has to navigate hospital politics when he cares for a surgeon's daughter; Halstead and Hammer must lay egos aside to help save an elderly patient.

Hammer's worlds collide when her mother becomes her patient; Scott's history with the father of a patient interferes with his perception of a case; Crockett's allegiances are challenged when his patient's liver is a potential transplant match.

Carol receives a second chance at life when a new heart becomes available; Choi and Archer find themselves in hot water with an old patient; Halstead faces the consequences of the stolen trial medication.

In Vancouver, Wash., a young couple's neighbor violates the strict codes of community conduct in their housing development.

The disappearance of millionaire Frank Black.

Parker is confronted with devastating news; an explosion traps Jules.

In Vancouver, Wash., a young couple's neighbor violates the strict codes of community conduct in their housing development.

The disappearance of millionaire Frank Black.

Parker is confronted with devastating news; an explosion traps Jules.

In Vancouver, Wash., a young couple's neighbor violates the strict codes of community conduct in their housing development.

The disappearance of millionaire Frank Black.

Parker is confronted with devastating news; an explosion traps Jules.

The 118 has a day from hell with a never-ending series of bizarre emergency calls; a man tapes himself to a freeway billboard; a restaurant manager destroys his own business; Eddie feels a spark with Christopher's former teacher.

A man gets pinned under a Humvee; a garage band rocks out too hard; Michael notices strange behavior at a nearby apartment; Hen's mother unexpectedly arrives and announces she is moving to Los Angeles.

The 118 are called to the tarmac when a flight attendant reaches her limit with her flight's passengers; Eddie worries Christopher will not accept him dating; Buck reconnects with an old flame.

Athena and the 118 race to save lives after a drunken driver causes a deadly pileup on the freeway; Maddie goes into labor; Hen and Karen are devastated as they prepare their foster daughter to be reunited with her birth mother.

The 118 responds to calls dealing with parents and their children, including a disastrous birthday party thrown by a mommy blogger; Athena and Michael talk to May about her past suicide attempt; Chimney and Maddie adjust to life with their newborn.