Casey is forced to use extreme measures to save a father and daughter from an acid spill; Dawson and Brett respond to an elderly woman who has a difficult senior advocate; Otis shares some exciting news.

Casey is unable to save a woman trapped in a burning house; Herrmann is determined to catch a mysterious tagger that targets the firehouse; Boden has an unexpected visitor; a teenager is injured during a romantic proposal.

Dawson faces repercussions after she hits a pedestrian with the ambulance en route to a call; Casey and Severide continue to investigate an arson case; Chief Boden must decide whether to attend an important event in New York.

Things don't go as planned when Dawson and Antonio's parents come to town for their anniversary; Chief Boden deals with his stepson James' secret; Casey tries to save a young boy during a call to a warehouse; Otis and Kidd become competitive.

Casey and Dawson run into a problem when they apply to permanently adopt Louie; Jeff Clarke gives an interesting proposition to Severide; Otis persuades Herrmann to throw a party at Molly's to celebrate the bar's 100th anniversary.

Dawson and Casey face legal issues as they try to retain legal guardianship of Louie; Severide continues to look for a bone marrow procedure to help Anna; Brett opens up to Dawson.

A long-time resident of a suburban street descends into a morass of delusion, anger and paranoia that turns him against innocent neighbors; he eventually becomes wholly unhinged and unleashes his violent wrath upon his small Baltimore community.

The murder of a gay couple in rural California leads investigators into the world of hate crimes.

A couple kidnaps their baby from its adoptive parents and steals their car to flee the scene after changing their minds about giving the child up.

A long-time resident of a suburban street descends into a morass of delusion, anger and paranoia that turns him against innocent neighbors; he eventually becomes wholly unhinged and unleashes his violent wrath upon his small Baltimore community.

The murder of a gay couple in rural California leads investigators into the world of hate crimes.

A couple kidnaps their baby from its adoptive parents and steals their car to flee the scene after changing their minds about giving the child up.

A long-time resident of a suburban street descends into a morass of delusion, anger and paranoia that turns him against innocent neighbors; he eventually becomes wholly unhinged and unleashes his violent wrath upon his small Baltimore community.

The murder of a gay couple in rural California leads investigators into the world of hate crimes.

A couple kidnaps their baby from its adoptive parents and steals their car to flee the scene after changing their minds about giving the child up.

Chief Anderson feels his authority was undercut after Chief Boden makes a decision that overrides Anderson's when both squads respond to the scene of a dangerous accident; Severide ponders a lifechanging decision; Herrmann does a good deed.

Citing a need for improvement, Chief Anderson reassigns members of 51 to other firehouses, leaving the crew members to make the best of their respective new situations; Severide struggles with an important decision.

Fire and rescue are called when an old warehouse-turned-work space turns into a firestorm, trapping countless victims; the doctors and nurses of Chicago Med deal with a barrage of patients as victims of the disaster are brought through the doors.

Members of the fire and rescue squads become hostages when a group of armed gang members invades and assumes control over Firehouse 51 during a turf war.

A series of similar car accidents raises suspicion that someone may be targeting innocent people; Severide tries to make Anna feel welcome in her new Chicago surroundings; a persistent constituent asks for Alderman Casey's help in resolving an issue.

Casey discovers a new crack house on the block that's harboring a female junkie; a new trainee gets Dawson and Brett into trouble; Severide gets an unexpected visit from his father.

Michael and Diana try for a baby; Michael's criminal empire faces a shocking betrayal from within after a shipment of Colombian cocaine is intercepted.

Chief Anderson feels his authority was undercut after Chief Boden makes a decision that overrides Anderson's when both squads respond to the scene of a dangerous accident; Severide ponders a lifechanging decision; Herrmann does a good deed.

Citing a need for improvement, Chief Anderson reassigns members of 51 to other firehouses, leaving the crew members to make the best of their respective new situations; Severide struggles with an important decision.

Fire and rescue are called when an old warehouse-turned-work space turns into a firestorm, trapping countless victims; the doctors and nurses of Chicago Med deal with a barrage of patients as victims of the disaster are brought through the doors.

Members of the fire and rescue squads become hostages when a group of armed gang members invades and assumes control over Firehouse 51 during a turf war.

A series of similar car accidents raises suspicion that someone may be targeting innocent people; Severide tries to make Anna feel welcome in her new Chicago surroundings; a persistent constituent asks for Alderman Casey's help in resolving an issue.

Casey discovers a new crack house on the block that's harboring a female junkie; a new trainee gets Dawson and Brett into trouble; Severide gets an unexpected visit from his father.

Michael and Diana try for a baby; Michael's criminal empire faces a shocking betrayal from within after a shipment of Colombian cocaine is intercepted.

Chief Anderson feels his authority was undercut after Chief Boden makes a decision that overrides Anderson's when both squads respond to the scene of a dangerous accident; Severide ponders a lifechanging decision; Herrmann does a good deed.

A friendly retired couple delights a family with young children when they move in next door. Then the new neighbors' dog attacks the children's mother, setting off a vicious conflict that ends in two shocking murders.

Investigators are drawn into the dark world of high-end prostitution, illegal aliens and Russian organized crime.

The SRU is called in when a bank employee whose wife is being held captive hacks into the computer system to steal money to pay off her captors.

A friendly retired couple delights a family with young children when they move in next door. Then the new neighbors' dog attacks the children's mother, setting off a vicious conflict that ends in two shocking murders.

Investigators are drawn into the dark world of high-end prostitution, illegal aliens and Russian organized crime.

The SRU is called in when a bank employee whose wife is being held captive hacks into the computer system to steal money to pay off her captors.

A friendly retired couple delights a family with young children when they move in next door. Then the new neighbors' dog attacks the children's mother, setting off a vicious conflict that ends in two shocking murders.

Investigators are drawn into the dark world of high-end prostitution, illegal aliens and Russian organized crime.

The SRU is called in when a bank employee whose wife is being held captive hacks into the computer system to steal money to pay off her captors.

Dr. Choi is tested when an erratic patient takes drastic measures; Dr. Manning questions the circumstances behind a young boy's broken wrist.

A patient refuses medication for her pain; Dr. Halstead treats a former high school classmate; a pregnant woman has a big reason not to deliver her child.

Doctors Rhodes and Downey are at odds over a patient's emergency heart surgery; Dr. Choi and a paramedic respond to a call from an injured hoarder; a woman is bitten by her own dog.

April and Dr. Halstead can't agree on how to treat a homeless alcoholic with a broken leg; Dr. Manning realizes her wedding ring has gone missing; two elderly women with the same symptoms are linked in a surprising way.

Dr. Rhodes cares for Dr. Downey while Goodwin deals with personal issues; April gets hit while tending to a disorderly patient; Dr. Manning's past starts to catch up with her.

Dr. Rhodes begins his cardiothoracic surgery fellowship but gets off on the wrong foot with his new boss; Dr. Choi begins his life as chief resident; Sarah is caught off-guard by Dr. Charles; April tries to deal with her recently discovered illness.

June and Moira go undercover; Serena and Nick make consequential choices.

Dr. Choi is tested when an erratic patient takes drastic measures; Dr. Manning questions the circumstances behind a young boy's broken wrist.

A patient refuses medication for her pain; Dr. Halstead treats a former high school classmate; a pregnant woman has a big reason not to deliver her child.

Doctors Rhodes and Downey are at odds over a patient's emergency heart surgery; Dr. Choi and a paramedic respond to a call from an injured hoarder; a woman is bitten by her own dog.

April and Dr. Halstead can't agree on how to treat a homeless alcoholic with a broken leg; Dr. Manning realizes her wedding ring has gone missing; two elderly women with the same symptoms are linked in a surprising way.

Dr. Rhodes cares for Dr. Downey while Goodwin deals with personal issues; April gets hit while tending to a disorderly patient; Dr. Manning's past starts to catch up with her.

Dr. Rhodes begins his cardiothoracic surgery fellowship but gets off on the wrong foot with his new boss; Dr. Choi begins his life as chief resident; Sarah is caught off-guard by Dr. Charles; April tries to deal with her recently discovered illness.

Drs. Manning and Rhodes suspect that two separate cases involving sick babies may be connected; a homeless patient's upbeat disposition enlightens Drs. Halstead and Charles; Dr. Choi and a Navy corpsman deal with the toll of gang violence.

Dr. Choi is tested when an erratic patient takes drastic measures; Dr. Manning questions the circumstances behind a young boy's broken wrist.

A five-year relationship between neighbors falls apart when one borrows the other's lawnmower and supposedly returns it broken; camaraderie morphs into rage, threats, and physical violence until a bloody murder devastates the community.

Ontario police conduct a manhunt for the prime suspects in four brutal murders.

The team must diffuse a volatile situation when a student pushed to the limit by bullies brings a gun to school.

A five-year relationship between neighbors falls apart when one borrows the other's lawnmower and supposedly returns it broken; camaraderie morphs into rage, threats, and physical violence until a bloody murder devastates the community.

Ontario police conduct a manhunt for the prime suspects in four brutal murders.

The team must diffuse a volatile situation when a student pushed to the limit by bullies brings a gun to school.

A five-year relationship between neighbors falls apart when one borrows the other's lawnmower and supposedly returns it broken; camaraderie morphs into rage, threats, and physical violence until a bloody murder devastates the community.

Ontario police conduct a manhunt for the prime suspects in four brutal murders.

The team must diffuse a volatile situation when a student pushed to the limit by bullies brings a gun to school.

Chimney is determined to find a missing Maddie amongst the chaos of St. Patrick's Day.

Athena investigates a robbery at a gas station; Bobby and the 126 race to rescue a novice diver who panics while in a shark cage; Eddie reaches his breaking point; Maddie shares some news with Buck, who realizes he has to come clean with Taylor.

The members of the 118 race into action when a women falls over her balcony; Athena investigates when a bike rider is impaled on a stop sign; Eddie begins his therapy for his PTSD and survivor's guilt; Maddie fears the worst when Jee-Yun falls ill.

A social media influencer has an accident in a sauna; an emergency at a reality show wedding; a tragedy when a mother and her daughter go hiking; Maddie worries she has missed too many firsts with Jee-Yun.

The 118 races to the rescue when the call center goes up in flames; Bobby risks his life to save a trapped May and Claudette; Buck and Eddie must help an injured electrician; Chimney and his brother team up as firefighters for the first time.

After a mysterious death, Hen and Chimney put their lives in danger when they suspect that someone is playing God to make themselves look like a hero; Eddie visits Texas, where he attempts to reconcile with his father.

Members of the 118 attempt to rescue a wellness retreat guru after his followers turn on him; an emergency call at an upscale hair salon; Maddie contemplates returning to work, Eddie and May make decisions about their future.

Chimney is determined to find a missing Maddie amongst the chaos of St. Patrick's Day.

Athena investigates a robbery at a gas station; Bobby and the 126 race to rescue a novice diver who panics while in a shark cage; Eddie reaches his breaking point; Maddie shares some news with Buck, who realizes he has to come clean with Taylor.

The members of the 118 race into action when a women falls over her balcony; Athena investigates when a bike rider is impaled on a stop sign; Eddie begins his therapy for his PTSD and survivor's guilt; Maddie fears the worst when Jee-Yun falls ill.

A social media influencer has an accident in a sauna; an emergency at a reality show wedding; a tragedy when a mother and her daughter go hiking; Maddie worries she has missed too many firsts with Jee-Yun.

The 118 races to the rescue when the call center goes up in flames; Bobby risks his life to save a trapped May and Claudette; Buck and Eddie must help an injured electrician; Chimney and his brother team up as firefighters for the first time.

After a mysterious death, Hen and Chimney put their lives in danger when they suspect that someone is playing God to make themselves look like a hero; Eddie visits Texas, where he attempts to reconcile with his father.

Members of the 118 attempt to rescue a wellness retreat guru after his followers turn on him; an emergency call at an upscale hair salon; Maddie contemplates returning to work, Eddie and May make decisions about their future.

Chimney is determined to find a missing Maddie amongst the chaos of St. Patrick's Day.

A retired couple's golden years shatter when a troubled Army veteran moves in next door and makes their lives hell with his appalling behavior; they declare war, fighting vicious battles until one of these neighbors turns up dead.

A nurse is the main suspect of five bodies found in a wooded area in central Florida.

The team must track down a young woman dying of a brain disease when she and her fiance go on a crime spree.

A retired couple's golden years shatter when a troubled Army veteran moves in next door and makes their lives hell with his appalling behavior; they declare war, fighting vicious battles until one of these neighbors turns up dead.

A nurse is the main suspect of five bodies found in a wooded area in central Florida.

The team must track down a young woman dying of a brain disease when she and her fiance go on a crime spree.

A retired couple's golden years shatter when a troubled Army veteran moves in next door and makes their lives hell with his appalling behavior; they declare war, fighting vicious battles until one of these neighbors turns up dead.

A nurse is the main suspect of five bodies found in a wooded area in central Florida.

The team must track down a young woman dying of a brain disease when she and her fiance go on a crime spree.

A heart transplant patient gets into a car accident, revealing issues that could complicate her surgery; the police officer who arrested Maggie is brought to Chicago Med with a serious injury.

When several patients turn out to have the same rare infection, Dr. Charles' epidemiologist daughter comes in to consult; an elderly patient's son and young girlfriend disagree over his treatment; Dr. Reese tries to help a young drug addict.

A car crash at the Chicago Marathon leaves victims in critical condition; April and her medical resident brother must perform an intense operation in the field; an 8-year-old girl experiences sudden hearing loss; Dr. Choi treats a malnourished woman.

A young cancer patient struggles to tell her parents about her condition; Dr. Reese turns to Dr. Charles and Detective Lindsay for help with a troubled young man; a teen science geek and her friends impress Dr. Choi and Natalie.

Goodwin reunites with her childhood sweetheart; Dr. Halstead gets lured into a concierge doctor app idea; Dr. Rhodes treats a woman with a heart infection against the advice of Dr. Charles; a former patient of Reese's reaches out for help.

Halstead and Manning deal with two feuding brothers, one of which is in dire need of a kidney; a patient of Dr. Reese's comes to a crossroad; a 16-year-old with a genetic condition needs surgery, but the overprotective mother gets in the way.

Dr. Charles is tasked with evaluating a patient as a possible heart recipient; Jeff makes a confession to Dr. Manning; two MMA fighters arrive at Chicago Med in bad shape; Dr. Stohl returns from his sabbatical.

A heart transplant patient gets into a car accident, revealing issues that could complicate her surgery; the police officer who arrested Maggie is brought to Chicago Med with a serious injury.

When several patients turn out to have the same rare infection, Dr. Charles' epidemiologist daughter comes in to consult; an elderly patient's son and young girlfriend disagree over his treatment; Dr. Reese tries to help a young drug addict.

A car crash at the Chicago Marathon leaves victims in critical condition; April and her medical resident brother must perform an intense operation in the field; an 8-year-old girl experiences sudden hearing loss; Dr. Choi treats a malnourished woman.

A young cancer patient struggles to tell her parents about her condition; Dr. Reese turns to Dr. Charles and Detective Lindsay for help with a troubled young man; a teen science geek and her friends impress Dr. Choi and Natalie.

Goodwin reunites with her childhood sweetheart; Dr. Halstead gets lured into a concierge doctor app idea; Dr. Rhodes treats a woman with a heart infection against the advice of Dr. Charles; a former patient of Reese's reaches out for help.

Halstead and Manning deal with two feuding brothers, one of which is in dire need of a kidney; a patient of Dr. Reese's comes to a crossroad; a 16-year-old with a genetic condition needs surgery, but the overprotective mother gets in the way.

Dr. Charles is tasked with evaluating a patient as a possible heart recipient; Jeff makes a confession to Dr. Manning; two MMA fighters arrive at Chicago Med in bad shape; Dr. Stohl returns from his sabbatical.

A heart transplant patient gets into a car accident, revealing issues that could complicate her surgery; the police officer who arrested Maggie is brought to Chicago Med with a serious injury.

A man returns to his hometown after years away; he receives a warm welcome from the residents until the noise from a new neighbor's puppies turns him into a vengeful menace who goes to war with the entire community.

A search mission for three women missing in Yosemite Park turns to a murder investigation when two are discovered in the trunk of their burned out car.

The team tries to end a standoff at a hospital between gang members and a man trying to protect his injured brother.

A man returns to his hometown after years away; he receives a warm welcome from the residents until the noise from a new neighbor's puppies turns him into a vengeful menace who goes to war with the entire community.

A search mission for three women missing in Yosemite Park turns to a murder investigation when two are discovered in the trunk of their burned out car.

The team tries to end a standoff at a hospital between gang members and a man trying to protect his injured brother.

A man returns to his hometown after years away; he receives a warm welcome from the residents until the noise from a new neighbor's puppies turns him into a vengeful menace who goes to war with the entire community.

A search mission for three women missing in Yosemite Park turns to a murder investigation when two are discovered in the trunk of their burned out car.

The team tries to end a standoff at a hospital between gang members and a man trying to protect his injured brother.

The stakes become personal for Atwater during Intelligence's investigation of a drug dealer suspected of homicide.

As his dependency on prescription painkillers grows, Antonio crosses a line, endangering someone close to him and ultimately putting the entire team at risk.

Intelligence investigates a carjacking turned homicide; Ruzek makes a decision that puts his life and career at risk to protect those close to him.

Intelligence crosses with a mayoral candidate while investigating the fatal shooting of a well-known defense attorney; Antonio returns to work but questions his own judgment when an operation goes sideways.

Voight pursues a suspect against the police commissioner's orders; Halstead puts his career at risk when a case involving a recently released drug dealer turns personal.

The stakes become personal for Atwater during Intelligence's investigation of a drug dealer suspected of homicide.

Max is the new on-board doctor for a luxury cruise ship where the small but mighty medical team navigate unique medical crises and each other, miles from shore.

Colter Shaw, a trusted lone-wolf survivalist who, driven by the troubles of his past, uses his instincts to find the missing and collect rewards. Supported by lawyer Reenie Green, his business handler Velma Bruin and tech expert Bobby Exley, Colter will stop at nothing to get the job done.

Based on Karin Slaughter's bestselling books, the series follows Special Agent Will Trent of the Georgia Bureau of Investigations. As a child, Trent was abandoned and was forced to endure a harsh coming-of-age in Atlanta's overwhelmed foster care system. Now that he is in a position to make a difference, Trent is determined to use his unique point of view to make sure no one is abandoned like he was. His personal motivation and background contribute to Will Trent having the highest clearance rate in the GBI.

Intelligence crosses with a mayoral candidate while investigating the fatal shooting of a well-known defense attorney; Antonio returns to work but questions his own judgment when an operation goes sideways.

Colter Shaw, a trusted lone-wolf survivalist who, driven by the troubles of his past, uses his instincts to find the missing and collect rewards. Supported by lawyer Reenie Green, his business handler Velma Bruin and tech expert Bobby Exley, Colter will stop at nothing to get the job done.

Amanda and Evelyn Mitchell's idyllic getaway takes a dark turn when a shocking murder is discovered at their luxury resort; Angie faces the emotional strain of a family member's unstable health conditions.

Programming to be announced.

As his dependency on prescription painkillers grows, Antonio crosses a line, endangering someone close to him and ultimately putting the entire team at risk.

Max is the new on-board doctor for a luxury cruise ship where the small but mighty medical team navigate unique medical crises and each other, miles from shore.

Intelligence investigates a carjacking turned homicide; Ruzek makes a decision that puts his life and career at risk to protect those close to him.

Intelligence crosses with a mayoral candidate while investigating the fatal shooting of a well-known defense attorney; Antonio returns to work but questions his own judgment when an operation goes sideways.

Voight pursues a suspect against the police commissioner's orders; Halstead puts his career at risk when a case involving a recently released drug dealer turns personal.

A search mission for three women missing in Yosemite Park turns to a murder investigation when two are discovered in the trunk of their burned out car.

Police search for the killer of an elderly upscale Toronto couple.

The largest police investigation of the decade lasted 23 days to catch a sniper who terrorized Washington, D. C. residents.

When Atwater goes under cover to bring down the longtime head of a criminal enterprise, he becomes entangled in a situation that tests his allegiances as well as his conscience.

Upton and Burgess find themselves in a difficult situation when Intelligence tracks a cache of cop killer machine guns to a local gun show in Wisconsin.

When Cruz's undercover work reveals a lead in a case tracking multiple robberies, the situation escalates quickly, causing friction between Voight's Intelligence Unit and the Chicago Fire Department.

Voight and the Intelligence Unit focus all their effort and resources into investigating the disappearance of an exotic dancer who served as a long-time criminal informant for their team.

A mayoral candidate is shot by an unidentified sniper, and Intelligence races to catch the shooter before he can take out his next target.

With the threat of a gang war looming, Voight and Ray Price must organize a peace summit to end the bloodshed before more innocent people get hurt; Burgess evaluates her future with Blair.

Intelligence's investigation into the murder of Burgess' boyfriend threatens to reveal a dark side she was unaware of; the real motivation for his murder uncovers a much more unsettling truth.

When Atwater goes under cover to bring down the longtime head of a criminal enterprise, he becomes entangled in a situation that tests his allegiances as well as his conscience.

Upton and Burgess find themselves in a difficult situation when Intelligence tracks a cache of cop killer machine guns to a local gun show in Wisconsin.

When Cruz's undercover work reveals a lead in a case tracking multiple robberies, the situation escalates quickly, causing friction between Voight's Intelligence Unit and the Chicago Fire Department.

Voight and the Intelligence Unit focus all their effort and resources into investigating the disappearance of an exotic dancer who served as a long-time criminal informant for their team.

A mayoral candidate is shot by an unidentified sniper, and Intelligence races to catch the shooter before he can take out his next target.

With the threat of a gang war looming, Voight and Ray Price must organize a peace summit to end the bloodshed before more innocent people get hurt; Burgess evaluates her future with Blair.

Intelligence's investigation into the murder of Burgess' boyfriend threatens to reveal a dark side she was unaware of; the real motivation for his murder uncovers a much more unsettling truth.

When Atwater goes under cover to bring down the longtime head of a criminal enterprise, he becomes entangled in a situation that tests his allegiances as well as his conscience.

Upton and Burgess find themselves in a difficult situation when Intelligence tracks a cache of cop killer machine guns to a local gun show in Wisconsin.

When Cruz's undercover work reveals a lead in a case tracking multiple robberies, the situation escalates quickly, causing friction between Voight's Intelligence Unit and the Chicago Fire Department.

Voight and the Intelligence Unit focus all their effort and resources into investigating the disappearance of an exotic dancer who served as a long-time criminal informant for their team.

A mayoral candidate is shot by an unidentified sniper, and Intelligence races to catch the shooter before he can take out his next target.

With the threat of a gang war looming, Voight and Ray Price must organize a peace summit to end the bloodshed before more innocent people get hurt; Burgess evaluates her future with Blair.

Intelligence's investigation into the murder of Burgess' boyfriend threatens to reveal a dark side she was unaware of; the real motivation for his murder uncovers a much more unsettling truth.

Casey takes extreme measures to help his friend Kannell; Severide helps an old widow come to terms with letting go; Otis and Cruz find a new roommate.

Mouch offers to help when an off-duty incident puts Cruz in a bad spot; Casey takes on a powerful politician; Lt. Severide makes life difficult for a new team member; Dawson gets an unexpected visit from her father.

A warehouse blaze puts the fire and rescue squad at risk; Dawson's father overstays his welcome at Dawson and Casey's home; Casey fights for his first responders bill; Mouch makes a serious decision; Herrmann tries to make a young boy smile.

Chief Boden makes a risky last minute decision to save his men; Dawson continues to deal with her father; Brett's childhood friend visits and strikes the attention of someone within the firehouse; a fire at a high school hits close to home for Boden.

Chief Boden turns up the pressure on Severide and Casey to investigate the cause of the fire that trapped his wife; Mouch is over-competitive in the firefighter muster challenge.

Casey gets off on the wrong foot with a new chief; Casey makes a risky move to save a man threatening to jumping off a building; Mouch flies in Cruz's brother Leon as a birthday surprise; Brett learns new information about her friend Hope.

While running a secret errand, Dawson finds herself trapped in a collapsed parking structure; pressure mounts on Casey as he begins taking on additional duties; Kidd grows increasingly skeptical of Hope.

Casey and Severide find themselves at odds after Casey argues about how to save a teenager entangled in barbed wire; Otis tries to convince Casey to participate in the beta test for an expensive piece of new firefighting equipment.

Kidd is surprised to discover she is being transferred out of the firehouse; Severide and Casey are suspicious and investigate; Otis and Herrmann discuss taking over a rundown bar; Dawson's frustration with her father reaches a boiling point.

Casey takes extreme measures to help his friend Kannell; Severide helps an old widow come to terms with letting go; Otis and Cruz find a new roommate.

Mouch offers to help when an off-duty incident puts Cruz in a bad spot; Casey takes on a powerful politician; Lt. Severide makes life difficult for a new team member; Dawson gets an unexpected visit from her father.

A warehouse blaze puts the fire and rescue squad at risk; Dawson's father overstays his welcome at Dawson and Casey's home; Casey fights for his first responders bill; Mouch makes a serious decision; Herrmann tries to make a young boy smile.

Chief Boden makes a risky last minute decision to save his men; Dawson continues to deal with her father; Brett's childhood friend visits and strikes the attention of someone within the firehouse; a fire at a high school hits close to home for Boden.

Chief Boden turns up the pressure on Severide and Casey to investigate the cause of the fire that trapped his wife; Mouch is over-competitive in the firefighter muster challenge.

Casey gets off on the wrong foot with a new chief; Casey makes a risky move to save a man threatening to jumping off a building; Mouch flies in Cruz's brother Leon as a birthday surprise; Brett learns new information about her friend Hope.

While running a secret errand, Dawson finds herself trapped in a collapsed parking structure; pressure mounts on Casey as he begins taking on additional duties; Kidd grows increasingly skeptical of Hope.

Casey and Severide find themselves at odds after Casey argues about how to save a teenager entangled in barbed wire; Otis tries to convince Casey to participate in the beta test for an expensive piece of new firefighting equipment.

Kidd is surprised to discover she is being transferred out of the firehouse; Severide and Casey are suspicious and investigate; Otis and Herrmann discuss taking over a rundown bar; Dawson's frustration with her father reaches a boiling point.

Casey takes extreme measures to help his friend Kannell; Severide helps an old widow come to terms with letting go; Otis and Cruz find a new roommate.

Mouch offers to help when an off-duty incident puts Cruz in a bad spot; Casey takes on a powerful politician; Lt. Severide makes life difficult for a new team member; Dawson gets an unexpected visit from her father.

A warehouse blaze puts the fire and rescue squad at risk; Dawson's father overstays his welcome at Dawson and Casey's home; Casey fights for his first responders bill; Mouch makes a serious decision; Herrmann tries to make a young boy smile.

Chief Boden makes a risky last minute decision to save his men; Dawson continues to deal with her father; Brett's childhood friend visits and strikes the attention of someone within the firehouse; a fire at a high school hits close to home for Boden.

Chief Boden turns up the pressure on Severide and Casey to investigate the cause of the fire that trapped his wife; Mouch is over-competitive in the firefighter muster challenge.

Casey gets off on the wrong foot with a new chief; Casey makes a risky move to save a man threatening to jumping off a building; Mouch flies in Cruz's brother Leon as a birthday surprise; Brett learns new information about her friend Hope.

This true-crime series tells the chilling tales of those most unfortunate souls who unwittingly take up residence within a stone's throw of a psycho or killer.

Police search for the killer of an elderly upscale Toronto couple.

While broadcasting live, a notorious radio-show host holds a prominent politician hostage.

This true-crime series tells the chilling tales of those most unfortunate souls who unwittingly take up residence within a stone's throw of a psycho or killer.

Police search for the killer of an elderly upscale Toronto couple.

While broadcasting live, a notorious radio-show host holds a prominent politician hostage.

This true-crime series tells the chilling tales of those most unfortunate souls who unwittingly take up residence within a stone's throw of a psycho or killer.

Police search for the killer of an elderly upscale Toronto couple.

While broadcasting live, a notorious radio-show host holds a prominent politician hostage.

Brett attempts to make a lifesaving decision; Otis prepares for the grand opening of Molly's North; Boden becomes emotional following the rescue of a famous blues player; Dawson tries to come to terms with how she has been dealing with her father.

Dawson must make a tough decision about a father who is addicted to painkillers; Herrmann gets into an altercation with a police officer; Otis and Cruz go on a mission to find out who Brett is dating; Donna's brother unexpectedly comes to town.

Dawson asks Severide for help; Brett and Kidd compete for Zach's heart; Otis, Herrmann and Mouch try to figure out the source of a terrible stench wafting throughout the firehouse.

Dawson and Casey try to find Bria's whereabouts; Lt. Severide reunites with Chief Grissom; Cruz enlists the help of Brett and Mouch to create a new tool; Kidd and Zach go on a date.

After responding to a time-sensitive rescue, Casey and Severide don't see eye to eye on the best course of action; Herrmann struggles to entertain his daughter while at work; Brett is joined by a surprise guest during a spa getaway.

After photos of Casey and Severide jumping off the roof during a heroic rescue make the front page of the newspaper, Boden unwillingly agrees to have the photographer chronicle a day at the firehouse.

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.

Brett attempts to make a lifesaving decision; Otis prepares for the grand opening of Molly's North; Boden becomes emotional following the rescue of a famous blues player; Dawson tries to come to terms with how she has been dealing with her father.

Dawson must make a tough decision about a father who is addicted to painkillers; Herrmann gets into an altercation with a police officer; Otis and Cruz go on a mission to find out who Brett is dating; Donna's brother unexpectedly comes to town.

Dawson asks Severide for help; Brett and Kidd compete for Zach's heart; Otis, Herrmann and Mouch try to figure out the source of a terrible stench wafting throughout the firehouse.

Dawson and Casey try to find Bria's whereabouts; Lt. Severide reunites with Chief Grissom; Cruz enlists the help of Brett and Mouch to create a new tool; Kidd and Zach go on a date.

After responding to a time-sensitive rescue, Casey and Severide don't see eye to eye on the best course of action; Herrmann struggles to entertain his daughter while at work; Brett is joined by a surprise guest during a spa getaway.

After photos of Casey and Severide jumping off the roof during a heroic rescue make the front page of the newspaper, Boden unwillingly agrees to have the photographer chronicle a day at the firehouse.

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.

Brett attempts to make a lifesaving decision; Otis prepares for the grand opening of Molly's North; Boden becomes emotional following the rescue of a famous blues player; Dawson tries to come to terms with how she has been dealing with her father.

A peaceful suburb turns upside down when a family learns that the neighbor has kept a secret wife locked in his home for years; things escalate when the family helps her escape with her baby, leading to a bitter feud that ends in terrible bloodshed.

The largest police investigation of the decade lasted 23 days to catch a sniper who terrorized Washington, D. C. residents.

A wave of terrorist bombs shuts down the city; a member of the team makes a sacrifice.

A peaceful suburb turns upside down when a family learns that the neighbor has kept a secret wife locked in his home for years; things escalate when the family helps her escape with her baby, leading to a bitter feud that ends in terrible bloodshed.

The largest police investigation of the decade lasted 23 days to catch a sniper who terrorized Washington, D. C. residents.

A wave of terrorist bombs shuts down the city; a member of the team makes a sacrifice.

A peaceful suburb turns upside down when a family learns that the neighbor has kept a secret wife locked in his home for years; things escalate when the family helps her escape with her baby, leading to a bitter feud that ends in terrible bloodshed.

The largest police investigation of the decade lasted 23 days to catch a sniper who terrorized Washington, D. C. residents.

A wave of terrorist bombs shuts down the city; a member of the team makes a sacrifice.

Dr. Charles is tasked with evaluating a patient as a possible heart recipient; Jeff makes a confession to Dr. Manning; two MMA fighters arrive at Chicago Med in bad shape; Dr. Stohl returns from his sabbatical.

A heart transplant patient gets into a car accident, revealing issues that could complicate her surgery; the police officer who arrested Maggie is brought to Chicago Med with a serious injury.

On a busy night, Dr. Reese deals with having to pronounce several patients dead; April is pressured to slow down; Dr. Charles has important news for Dr. Latham; Goodwin asks Dr. Rhodes to help an unusual patient.

A girl's rapidly changing symptoms have everyone perplexed; a 19-year-old tough guy is in severe distress; Dr. Halstead deals with a difficult case, and Dr. Stohl is followed by a camera crew that is shooting a promotional video.

Dr. Rhodes persuades Dr. Latham to accompany him on a medical trip out of town; an 8-year-old cancer patient wants to give up his battle; a woman with a personality disorder complicates a case.

A traumatic multi-car accident during a blizzard stretches the hospital staff to the limit; Rhodes and Latham make difficult decisions in triage; Choi handles a severely burned patient who has a final request.

June finds herself seeking refuge in an unexpected and hidden location.

Dr. Charles is tasked with evaluating a patient as a possible heart recipient; Jeff makes a confession to Dr. Manning; two MMA fighters arrive at Chicago Med in bad shape; Dr. Stohl returns from his sabbatical.

A heart transplant patient gets into a car accident, revealing issues that could complicate her surgery; the police officer who arrested Maggie is brought to Chicago Med with a serious injury.

On a busy night, Dr. Reese deals with having to pronounce several patients dead; April is pressured to slow down; Dr. Charles has important news for Dr. Latham; Goodwin asks Dr. Rhodes to help an unusual patient.

A girl's rapidly changing symptoms have everyone perplexed; a 19-year-old tough guy is in severe distress; Dr. Halstead deals with a difficult case, and Dr. Stohl is followed by a camera crew that is shooting a promotional video.

Dr. Rhodes persuades Dr. Latham to accompany him on a medical trip out of town; an 8-year-old cancer patient wants to give up his battle; a woman with a personality disorder complicates a case.

A traumatic multi-car accident during a blizzard stretches the hospital staff to the limit; Rhodes and Latham make difficult decisions in triage; Choi handles a severely burned patient who has a final request.

Dr. Rhodes cares for a trauma patient whose accident is a media sensation; a grieving widower relies on a superhero costume; April pushes Halstead to use unproven medications to help a patient with no other options.

Dr. Charles is tasked with evaluating a patient as a possible heart recipient; Jeff makes a confession to Dr. Manning; two MMA fighters arrive at Chicago Med in bad shape; Dr. Stohl returns from his sabbatical.

After years of a married couple ruling their street, a new neighbor who doesn't abide by them moves in; years of tension fester between the two parties until one is pushed over the edge, resulting in a shocking double-execution.

When an unidentified burned corpse is found in a field, state-of-the-art forensics is turned to.

A delusional man kidnaps a waitress who resembles his missing daughter; a woman joins the SRU team after the death of one of the unit's members.

After years of a married couple ruling their street, a new neighbor who doesn't abide by them moves in; years of tension fester between the two parties until one is pushed over the edge, resulting in a shocking double-execution.

When an unidentified burned corpse is found in a field, state-of-the-art forensics is turned to.

A delusional man kidnaps a waitress who resembles his missing daughter; a woman joins the SRU team after the death of one of the unit's members.

After years of a married couple ruling their street, a new neighbor who doesn't abide by them moves in; years of tension fester between the two parties until one is pushed over the edge, resulting in a shocking double-execution.

When an unidentified burned corpse is found in a field, state-of-the-art forensics is turned to.

A delusional man kidnaps a waitress who resembles his missing daughter; a woman joins the SRU team after the death of one of the unit's members.

When a blimp suffers mechanical failure and its engine catches fire, Athena and the 118 must rescue victims both inside and outside a packed sports stadium; Bobby and Athena drop off May on her first day of college and discuss honeymoon plans.

The 118 race to the rescue when a structure collapses at a convention; Athena's father suffers a stroke; Hen stretches herself too thin with test prep and her new responsibilities at the 118; Maddie tries to help new recruit get his bearings.

While in Florida caring for her ailing father, Athena and Bobby investigate the disappearance of her childhood friend from 45 years ago.

The 118 races to the rescue when a birdwatcher is trapped under a tree; Chimney is in for a wild ride when he tends to a drunken driver; Maddie helps a mother and her young daughter when an abusive father shows up at the their house.

Athena investigates when the same house is hit with two home invasion 911 calls within hours of each other; the 118 race to the rescue when a man is trapped in an attic; Hen asks for a second chance with her medical school professor.