The members of the 118 make calls to save a bridezilla at a disastrous wedding; Hen plays medical detective when her mother falls ill; Eddie and Christopher receive a visit from Carla; Athena uncovers a secret Bobby has been hiding.

Officers Nolan and Harper help Skip Tracer Randy on his first bounty hunter case; Officer Chen and Sgt. Bradford hunt for a perpetrator on a citywide crime spree.

Athena and the 118 are on high alert when a sniper is targeting members of the LAFD; Maddie makes a life decision.

Officer Harper puts Officer Aaron through Plain Clothes Day, but the exercise is interrupted by an unsuspected visitor; after two witnesses for an upcoming grand jury case are murdered, the team must track down the killers before it's too late.

A series of ransomware threats leads to emergencies for the 118, including a helicopter crash at a hospital and an air traffic control tower system failure; the case of the realtor serial rapist goes to trial.

Desperate to reset the way the world sees him, Officer Thorsen reluctantly decides to be a part of a reality show to help rebrand his image; the show's producer is found murdered and the team must investigate before Aaron is made suspect number one.

The 118 springs into action when a citywide blackout and a record heat wave causes mayhem in Los Angeles; Chimney confides in Hen about Maddie's condition; Athena's worst nightmare comes true.

Officer John Nolan and the team feel they must negotiate with a distraught man who is holding a hospital hostage to ensure his wife receives a lifesaving surgery.

As the citywide blackout continues to cause mayhem in Los Angeles, Athena races to save her family from a tragedy; Eddie must make a difficult choice about his future; Maddie makes a life-changing decision.

The team is called to investigate a train robbery; Officer Chen has doubts about being Sgt. Bradford's aid; Officer Harper takes matters into her own hands and makes a life-changing decision about her personal life.

A truck crashes into a high school homecoming parade; Athena and Michael try to help Harry in the aftermath of his kidnapping; May is intimidated by a returning call center legend; Bobby gives a devastated Chimney advice regarding Maddie.

Officer Nolan and the LA division of the FBI enlist the help of FBI trainee Simone Clark when one of her former students is suspected of terrorism following an explosion at a local power station.

When a famous mystery writer dies, Athena, Bobby and the 118 respond to the chaos caused by a citywide manhunt for buried treasure the author left behind.

Officers Nolan and Chen must fulfill three quests if they want to get a stolen police helicopter back safely from a teenage thief; Officer Harper and Thorson must guard a convicted cop killer in the hospital following a prison riot.

A U.S. Army veteran goes out of his way to make his neighbors feel welcome; when a child's birthday gift goes missing, it takes only 37 days for the friendships to end in a killing spree.

Homicide investigators are convinced an apparent murder-suicide was staged but the experienced CSI on the scene disagrees; only the instincts of the cops, coupled with an outside forensic expert's opinion, convince authorities who the real killer is.

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

A U.S. Army veteran goes out of his way to make his neighbors feel welcome; when a child's birthday gift goes missing, it takes only 37 days for the friendships to end in a killing spree.

Homicide investigators are convinced an apparent murder-suicide was staged but the experienced CSI on the scene disagrees; only the instincts of the cops, coupled with an outside forensic expert's opinion, convince authorities who the real killer is.

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

A U.S. Army veteran goes out of his way to make his neighbors feel welcome; when a child's birthday gift goes missing, it takes only 37 days for the friendships to end in a killing spree.

Homicide investigators are convinced an apparent murder-suicide was staged but the experienced CSI on the scene disagrees; only the instincts of the cops, coupled with an outside forensic expert's opinion, convince authorities who the real killer is.

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

Dr. Rhodes second guesses removing himself from the team working to separate conjoined twins; Dr. Choi and April make a startling discovery about his sister; Dr. Charles uncovers troubling information concerning Dr. Reese's father.

Bekker takes drastic action to keep Rhodes from leaving Med for good; Halstead questions Manning's feelings about their upcoming wedding; Ethan receives shocking news about his sister, Emily; Charles mourns a loss.

Chicago Med, Fire and P.D. cross paths when a high-rise fire floods Med with victims, including Will and Jay Halstead's father; Rhodes must save the life and career of Stella Kidd; Manning treats a burn victim; Charles assesses a distraught Otis.

Halstead arranges a great deal on a wedding venue; Manning and Elsa treat an ill pregnant woman convinced that God will save her; the staff is conflicted about the law-breaking father of a 5-year-old patient; Rhodes opens his hybrid OR early.

Halstead is backed into a corner after unknowingly making a deal with a gangster; Manning fights for her dying patient, who is not a U.S. citizen; Rhodes and Bekker clash in the OR; Choi is shocked when he meets Emily's new boyfriend.

Halstead's first task as a criminal informant puts a strain on his relationship with Manning; Choi is shocked when the father of Emily's child ends up in the ED; Rhodes presses Bekker to reveal who anonymously donated funds for his satellite OR.

Dr. Rhodes second guesses removing himself from the team working to separate conjoined twins; Dr. Choi and April make a startling discovery about his sister; Dr. Charles uncovers troubling information concerning Dr. Reese's father.

As the competition between the two houses heats up, the designers must use their creative skills to transform boring fabric into fabulous fashion.

Bekker takes drastic action to keep Rhodes from leaving Med for good; Halstead questions Manning's feelings about their upcoming wedding; Ethan receives shocking news about his sister, Emily; Charles mourns a loss.

Chicago Med, Fire and P.D. cross paths when a high-rise fire floods Med with victims, including Will and Jay Halstead's father; Rhodes must save the life and career of Stella Kidd; Manning treats a burn victim; Charles assesses a distraught Otis.

Halstead arranges a great deal on a wedding venue; Manning and Elsa treat an ill pregnant woman convinced that God will save her; the staff is conflicted about the law-breaking father of a 5-year-old patient; Rhodes opens his hybrid OR early.

Halstead is backed into a corner after unknowingly making a deal with a gangster; Manning fights for her dying patient, who is not a U.S. citizen; Rhodes and Bekker clash in the OR; Choi is shocked when he meets Emily's new boyfriend.

Halstead's first task as a criminal informant puts a strain on his relationship with Manning; Choi is shocked when the father of Emily's child ends up in the ED; Rhodes presses Bekker to reveal who anonymously donated funds for his satellite OR.

Dr. Rhodes second guesses removing himself from the team working to separate conjoined twins; Dr. Choi and April make a startling discovery about his sister; Dr. Charles uncovers troubling information concerning Dr. Reese's father.

As the competition between the two houses heats up, the designers must use their creative skills to transform boring fabric into fabulous fashion.

A rash of break-ins shatters the peace in a tight-knit community; when residents take sides, good friends turn into deadly enemies.

Police struggle to identify the body of a woman found floating in the Indian River; with only a piece of nautical rope, a strip of duct tape and some plastic bags to go on, they use every forensic tool they have to catch her killer.

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

A rash of break-ins shatters the peace in a tight-knit community; when residents take sides, good friends turn into deadly enemies.

Police struggle to identify the body of a woman found floating in the Indian River; with only a piece of nautical rope, a strip of duct tape and some plastic bags to go on, they use every forensic tool they have to catch her killer.

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

A rash of break-ins shatters the peace in a tight-knit community; when residents take sides, good friends turn into deadly enemies.

Police struggle to identify the body of a woman found floating in the Indian River; with only a piece of nautical rope, a strip of duct tape and some plastic bags to go on, they use every forensic tool they have to catch her killer.

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

Atwater's reactions during a tense arrest are called into question; the team must dig in to uncover key evidence that could aid in the ongoing investigation and clear Atwater's name.

When actionable evidence finally surfaces against Sean O'Neal, Upton and the team work relentlessly to build a case in secret; they discover Sean is more elusive and dangerous than anticipated.

To distract Intelligence from the investigation into his son, Chief O'Neal forces the team to handle a "dead fish" case; when that dead fish turns into a complicated heater case, Burgess is thrown back into difficult memories from her past.

After a shocking discovery, the team begins closing in on Sean O'Neal with every shred of evidence they can find; determined to keep his son out of prison, Chief O'Neal hires a lawyer.

A series of brutal home invasion robberies finds the team paired with Detective Borkowski, an old friend of Ruzek's, to work the case; things get complicated for Torres when it becomes clear Borkowski has a vastly different policing style.

Graffiti starts coming to life and threatening a teenage girl; the team must figure out how these strange events relate to Gregor's Hammer and Gregor's imminent return.

Atwater's reactions during a tense arrest are called into question; the team must dig in to uncover key evidence that could aid in the ongoing investigation and clear Atwater's name.

The deadly secret hidden in Flight CBZ517 is discovered, but it still doesn't explain the murders or help the survivors escape; the passengers believe they have found the traitor in the group.

When a prominent alderman who is known for his urban revitalization efforts is killed, Intelligence looks into the corruption haunting his neighborhood; Olinsky feels pressure after receiving an ultimatum from Woods.

When actionable evidence finally surfaces against Sean O'Neal, Upton and the team work relentlessly to build a case in secret; they discover Sean is more elusive and dangerous than anticipated.

To distract Intelligence from the investigation into his son, Chief O'Neal forces the team to handle a "dead fish" case; when that dead fish turns into a complicated heater case, Burgess is thrown back into difficult memories from her past.

After a shocking discovery, the team begins closing in on Sean O'Neal with every shred of evidence they can find; determined to keep his son out of prison, Chief O'Neal hires a lawyer.

Graffiti starts coming to life and threatening a teenage girl; the team must figure out how these strange events relate to Gregor's Hammer and Gregor's imminent return.

A string of bombings is targeting members of the media; the team enlists firehouse 51 to help examine the devices and prevent the next attack.

The deadly secret hidden in Flight CBZ517 is discovered, but it still doesn't explain the murders or help the survivors escape; the passengers believe they have found the traitor in the group.

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

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

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.

A man over-exerts himself exercising; a groundskeeper is cut by his chainsaw; an explosion occurs at a retirement community; May gets an emergency call from a suicidal teen.

Responding to a fire at a prison, Bobby and the 118 find themselves trapped in a deadly riot.

A man claims he was carjacked, shot and buried alive; a homeowner thinks her roommate is a ghost; Hen receives a visit from the past; Athena and family are concerned that Harry is still haunted by visions of Jeffrey.

Bobby and the 118 race to save lives after an explosion rocks the hospital where Dr. David Hale is performing surgery; Michael makes a life-changing decision.

An abandoned oil well erupts and causes a massive sinkhole in downtown LA; Athena investigates a 30-year-old cold case involving a casino robbery; Buck fears his relationship with Taylor might be ending.

The members of the 118 are called to a series of emergencies around Christmas Eve; Eddie struggles with an emotional Christopher.

Athena, Bobby and the 118 must rescue a family whose pick-up truck has been rigged with a pipe bomb that will detonate if the vehicle slows down and goes under 55 mph; Eddie has a rough transition into his new job; Buck makes a relationship decision.

A man over-exerts himself exercising; a groundskeeper is cut by his chainsaw; an explosion occurs at a retirement community; May gets an emergency call from a suicidal teen.

Responding to a fire at a prison, Bobby and the 118 find themselves trapped in a deadly riot.

A man claims he was carjacked, shot and buried alive; a homeowner thinks her roommate is a ghost; Hen receives a visit from the past; Athena and family are concerned that Harry is still haunted by visions of Jeffrey.

Bobby and the 118 race to save lives after an explosion rocks the hospital where Dr. David Hale is performing surgery; Michael makes a life-changing decision.

An abandoned oil well erupts and causes a massive sinkhole in downtown LA; Athena investigates a 30-year-old cold case involving a casino robbery; Buck fears his relationship with Taylor might be ending.

The members of the 118 are called to a series of emergencies around Christmas Eve; Eddie struggles with an emotional Christopher.

Athena, Bobby and the 118 must rescue a family whose pick-up truck has been rigged with a pipe bomb that will detonate if the vehicle slows down and goes under 55 mph; Eddie has a rough transition into his new job; Buck makes a relationship decision.

A man over-exerts himself exercising; a groundskeeper is cut by his chainsaw; an explosion occurs at a retirement community; May gets an emergency call from a suicidal teen.

Responding to a fire at a prison, Bobby and the 118 find themselves trapped in a deadly riot.

A man claims he was carjacked, shot and buried alive; a homeowner thinks her roommate is a ghost; Hen receives a visit from the past; Athena and family are concerned that Harry is still haunted by visions of Jeffrey.

Bobby and the 118 race to save lives after an explosion rocks the hospital where Dr. David Hale is performing surgery; Michael makes a life-changing decision.

An abandoned oil well erupts and causes a massive sinkhole in downtown LA; Athena investigates a 30-year-old cold case involving a casino robbery; Buck fears his relationship with Taylor might be ending.

The members of the 118 are called to a series of emergencies around Christmas Eve; Eddie struggles with an emotional Christopher.

Athena, Bobby and the 118 must rescue a family whose pick-up truck has been rigged with a pipe bomb that will detonate if the vehicle slows down and goes under 55 mph; Eddie has a rough transition into his new job; Buck makes a relationship decision.

Officer Bradford's wife is found shot but alive, and he vows to track down the man responsible; Officer Nolan must protect his home and the truth after a home invasion attack.

Officer Nolan and Sgt. Grey are paired up for the day on patrol; Officer Chen is paired up with Capt. Andersen, and Officer Bradford tells Chen to protect her at all costs.

An unscheduled visit by the vice president of the United States puts the station on high alert; the Secret Service tasks Nolan and Bishop with checking out a possible threat while the rest of the team tries to keep the streets safe for his visit.

The team is on high alert during the most dangerous day of the year, Valentine's Day; officer Nolan invites everyone over for a party now that he is single.

A large sum of money used in a drug bust goes missing; the rookies become the prime suspects, as they had previously discussed what they would do with the money.

The rookies are really put to the test when they are forced to make all decisions while on patrol; officer Nolan tries to prove he has been progressing faster than the other rookies to justify his desire of becoming a detective within five years.

When a prison bus crashes, some inmates face severe injuries while others seek an opportunity to flee; in the wake of the accident, officer Nolan tries to impress an FBI hostage negotiator while tracking down an escaped convict.

Officer Nolan gets a lesson in respect after his arrest of a gang member leads to a free-for-all on his life; officer Chen and Bradford pull over Mario Lopez, who thinks he can talk his way out of a traffic violation.

Officer Bradford's wife is found shot but alive, and he vows to track down the man responsible; Officer Nolan must protect his home and the truth after a home invasion attack.

Officer Nolan and Sgt. Grey are paired up for the day on patrol; Officer Chen is paired up with Capt. Andersen, and Officer Bradford tells Chen to protect her at all costs.

An unscheduled visit by the vice president of the United States puts the station on high alert; the Secret Service tasks Nolan and Bishop with checking out a possible threat while the rest of the team tries to keep the streets safe for his visit.

The team is on high alert during the most dangerous day of the year, Valentine's Day; officer Nolan invites everyone over for a party now that he is single.

A large sum of money used in a drug bust goes missing; the rookies become the prime suspects, as they had previously discussed what they would do with the money.

The rookies are really put to the test when they are forced to make all decisions while on patrol; officer Nolan tries to prove he has been progressing faster than the other rookies to justify his desire of becoming a detective within five years.

When a prison bus crashes, some inmates face severe injuries while others seek an opportunity to flee; in the wake of the accident, officer Nolan tries to impress an FBI hostage negotiator while tracking down an escaped convict.

Officer Nolan gets a lesson in respect after his arrest of a gang member leads to a free-for-all on his life; officer Chen and Bradford pull over Mario Lopez, who thinks he can talk his way out of a traffic violation.

Officer Bradford's wife is found shot but alive, and he vows to track down the man responsible; Officer Nolan must protect his home and the truth after a home invasion attack.

Officer Nolan and Sgt. Grey are paired up for the day on patrol; Officer Chen is paired up with Capt. Andersen, and Officer Bradford tells Chen to protect her at all costs.

An unscheduled visit by the vice president of the United States puts the station on high alert; the Secret Service tasks Nolan and Bishop with checking out a possible threat while the rest of the team tries to keep the streets safe for his visit.

The team is on high alert during the most dangerous day of the year, Valentine's Day; officer Nolan invites everyone over for a party now that he is single.

A large sum of money used in a drug bust goes missing; the rookies become the prime suspects, as they had previously discussed what they would do with the money.

The rookies are really put to the test when they are forced to make all decisions while on patrol; officer Nolan tries to prove he has been progressing faster than the other rookies to justify his desire of becoming a detective within five years.

When a prison bus crashes, some inmates face severe injuries while others seek an opportunity to flee; in the wake of the accident, officer Nolan tries to impress an FBI hostage negotiator while tracking down an escaped convict.

Officer Nolan gets a lesson in respect after his arrest of a gang member leads to a free-for-all on his life; officer Chen and Bradford pull over Mario Lopez, who thinks he can talk his way out of a traffic violation.

A childish joke between neighbor kids turns into an all-out war when the adults get involved; for some, the laughter will end forever.

From tropical Hawaii to the frigid waters of Lake Ontario, experts reveal the clues nature leaves behind on a human corpse.

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

A childish joke between neighbor kids turns into an all-out war when the adults get involved; for some, the laughter will end forever.

From tropical Hawaii to the frigid waters of Lake Ontario, experts reveal the clues nature leaves behind on a human corpse.

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

A childish joke between neighbor kids turns into an all-out war when the adults get involved; for some, the laughter will end forever.

From tropical Hawaii to the frigid waters of Lake Ontario, experts reveal the clues nature leaves behind on a human corpse.

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

A mysterious caller who is in danger relies on Kidd to help save her and her brother; the firehouse helps Cruz get ready for fatherhood.

A fire breaks out at a pet food factory, and Casey and Severide help the owner, Pete, get to the bottom of it; the annual garage sale takes place at 51 and everyone is on edge.

Severide and Casey try to find the best fit for Kidd; Ritter, Gallo and Violet help plan an event for Mouch.

The firehouse reacts to some exciting news; a mysterious stranger arrives, and a shocking call takes Severide's breath away.

Firehouse 51 deals with the aftermath of the capsized boat rescue; Gallo, Ritter and Violet discuss plans for a side gig.

A video of Casey from the roof rescue goes viral; Mouch sets up a Little Free Library at Firehouse 51; Herrmann breaks protocol.

Arriving in Albania, the unlikely group heads in search of Julie's old handler, Damian, but Julie is distracted by her suspicions that Edward is hiding something from her.

A mysterious caller who is in danger relies on Kidd to help save her and her brother; the firehouse helps Cruz get ready for fatherhood.

A fire breaks out at a pet food factory, and Casey and Severide help the owner, Pete, get to the bottom of it; the annual garage sale takes place at 51 and everyone is on edge.

Severide and Casey try to find the best fit for Kidd; Ritter, Gallo and Violet help plan an event for Mouch.

The firehouse reacts to some exciting news; a mysterious stranger arrives, and a shocking call takes Severide's breath away.

Firehouse 51 deals with the aftermath of the capsized boat rescue; Gallo, Ritter and Violet discuss plans for a side gig.

A video of Casey from the roof rescue goes viral; Mouch sets up a Little Free Library at Firehouse 51; Herrmann breaks protocol.

Arriving in Albania, the unlikely group heads in search of Julie's old handler, Damian, but Julie is distracted by her suspicions that Edward is hiding something from her.

A mysterious caller who is in danger relies on Kidd to help save her and her brother; the firehouse helps Cruz get ready for fatherhood.

Differences over how to enjoy life in a rural neighborhood quickly escalate into a feud that comes to a bloody end on the road where it began.

Sophisticated crime fighters map the psychological and physical terrain of multiple murderers.

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.

Differences over how to enjoy life in a rural neighborhood quickly escalate into a feud that comes to a bloody end on the road where it began.

Sophisticated crime fighters map the psychological and physical terrain of multiple murderers.

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.

Differences over how to enjoy life in a rural neighborhood quickly escalate into a feud that comes to a bloody end on the road where it began.

Sophisticated crime fighters map the psychological and physical terrain of multiple murderers.

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.

Dr. Charles and Dr. Manning treat a patient who is fully invested in pretending to be someone other than himself; Noah doubts his abilities as a doctor; Dr. Marcel and Dr. Choi face a tough ethical decision; Dr. Halstead puts his faith in an addict.

A convicted murderer's escape hits close to home when several team members end up in danger; Dr. Charles and Dr. Halstead clash over patient treatment plans; Dr. Choi and April discover the truth about a patient's scam; Maggie receives good news.

Dr. Manning and Dr. Charles assist in a complicated case helping a child who is no stranger to the ED; Dr. Marcel and Dr. Choi tend to a police officer with a mysterious gunshot wound; relationships are put to the test as secrets are revealed.

Dr. Charles and Goodwin fear Dr. Halstead is repeating his past mistakes when a patient with early onset Alzheimer's is brought into the E.D.; Maggie and Ben are concerned when one of Ben's students is admitted; Dr. Manning and Dr. Marcel disagree.

Dr. Charles evaluates a 15-year-old who is brought into the E.D. after an apparent fall off an overpass; Will sides with Dr. Asher on a risky treatment plan; tensions run high between Dr. Choi and Dr. Marcel.

Dr. Crockett is visited by two New Orleans detectives who have questions about his past; Dr. Choi puts his life in danger to save a child; Dr. Charles gives fatherly advice to his young daughter.

The staff adjusts to the new normal of the pandemic; Dr. Choi, Dr. Lanik and April fight on the front lines; Dr. Halstead and Hannah face a troubling reality; Dr. Charles tries to clear the air with his daughter following recent developments.

Dr. Charles and Dr. Manning treat a patient who is fully invested in pretending to be someone other than himself; Noah doubts his abilities as a doctor; Dr. Marcel and Dr. Choi face a tough ethical decision; Dr. Halstead puts his faith in an addict.

A convicted murderer's escape hits close to home when several team members end up in danger; Dr. Charles and Dr. Halstead clash over patient treatment plans; Dr. Choi and April discover the truth about a patient's scam; Maggie receives good news.

Dr. Manning and Dr. Charles assist in a complicated case helping a child who is no stranger to the ED; Dr. Marcel and Dr. Choi tend to a police officer with a mysterious gunshot wound; relationships are put to the test as secrets are revealed.

Dr. Charles and Goodwin fear Dr. Halstead is repeating his past mistakes when a patient with early onset Alzheimer's is brought into the E.D.; Maggie and Ben are concerned when one of Ben's students is admitted; Dr. Manning and Dr. Marcel disagree.

Dr. Charles evaluates a 15-year-old who is brought into the E.D. after an apparent fall off an overpass; Will sides with Dr. Asher on a risky treatment plan; tensions run high between Dr. Choi and Dr. Marcel.

Dr. Crockett is visited by two New Orleans detectives who have questions about his past; Dr. Choi puts his life in danger to save a child; Dr. Charles gives fatherly advice to his young daughter.

The staff adjusts to the new normal of the pandemic; Dr. Choi, Dr. Lanik and April fight on the front lines; Dr. Halstead and Hannah face a troubling reality; Dr. Charles tries to clear the air with his daughter following recent developments.

Dr. Charles and Dr. Manning treat a patient who is fully invested in pretending to be someone other than himself; Noah doubts his abilities as a doctor; Dr. Marcel and Dr. Choi face a tough ethical decision; Dr. Halstead puts his faith in an addict.

New neighbors disrupt the harmony that has existed between residents for years; alliances change and terror reigns until a winter storm puts a bloody end to the feud.

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

Two civilians are trapped inside a prison when a riot breaks out.

New neighbors disrupt the harmony that has existed between residents for years; alliances change and terror reigns until a winter storm puts a bloody end to the feud.

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

Two civilians are trapped inside a prison when a riot breaks out.

New neighbors disrupt the harmony that has existed between residents for years; alliances change and terror reigns until a winter storm puts a bloody end to the feud.

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

Two civilians are trapped inside a prison when a riot breaks out.

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.

Neighbors take sides after someone decides to build a dream home on their quiet street; longtime friends turn into hardcore enemies and death is right around the corner.

Using technology to solve crime.

A woman kidnaps her two children to keep her husband from getting custody.

Neighbors take sides after someone decides to build a dream home on their quiet street; longtime friends turn into hardcore enemies and death is right around the corner.

Using technology to solve crime.

A woman kidnaps her two children to keep her husband from getting custody.

Neighbors take sides after someone decides to build a dream home on their quiet street; longtime friends turn into hardcore enemies and death is right around the corner.

Using technology to solve crime.

A woman kidnaps her two children to keep her husband from getting custody.

Connor, who is in hot water with the hospital's Oversight Committee, handles a gunshot victim who has unexpected ties to Halstead; Maggie feels guilty about the return of a former patient; Charles has an awkward first date.

After witnessing a pickup truck plow through a street fair, Natalie and Maggie must make tough decisions on the fly; at the hospital, doctors and nurses are on high alert with the influx of patients; Dr. Charles' ex-wife comes to town with news.

Halstead treats a woman on the verge of freezing to death; Dr. Charles' ex-wife receives some concerning news; Choi handles a lymphoma patient with viral meningitis and a complicated family; Manning makes a house call.

When a car unexpectedly smashes through the ambulance bay doors, Dr. Choi makes some difficult decisions in an effort to save a worker trapped beneath the wreckage and April, who's also in danger.

An alarming phone call prompts Rhodes to rush out of an important surgery; Halstead comes to the aid of an FBI agent who is brought into the ED; Manning and Choi find themselves on opposite sides of a disagreement over doctor-patient confidentiality.

The hospital goes into lockdown mode when a man with a gun holds medical staff hostage; Goodwin is forced to make a tough decision; Dr. Rhodes begins to realize his time with his father is getting short.

Connor, who is in hot water with the hospital's Oversight Committee, handles a gunshot victim who has unexpected ties to Halstead; Maggie feels guilty about the return of a former patient; Charles has an awkward first date.

The designers head back to school where they must create fashionable looks using unconventional materials before facing a shocking twist at the elimination.

After witnessing a pickup truck plow through a street fair, Natalie and Maggie must make tough decisions on the fly; at the hospital, doctors and nurses are on high alert with the influx of patients; Dr. Charles' ex-wife comes to town with news.

Halstead treats a woman on the verge of freezing to death; Dr. Charles' ex-wife receives some concerning news; Choi handles a lymphoma patient with viral meningitis and a complicated family; Manning makes a house call.

When a car unexpectedly smashes through the ambulance bay doors, Dr. Choi makes some difficult decisions in an effort to save a worker trapped beneath the wreckage and April, who's also in danger.

An alarming phone call prompts Rhodes to rush out of an important surgery; Halstead comes to the aid of an FBI agent who is brought into the ED; Manning and Choi find themselves on opposite sides of a disagreement over doctor-patient confidentiality.

The hospital goes into lockdown mode when a man with a gun holds medical staff hostage; Goodwin is forced to make a tough decision; Dr. Rhodes begins to realize his time with his father is getting short.

Connor, who is in hot water with the hospital's Oversight Committee, handles a gunshot victim who has unexpected ties to Halstead; Maggie feels guilty about the return of a former patient; Charles has an awkward first date.

The designers head back to school where they must create fashionable looks using unconventional materials before facing a shocking twist at the elimination.

In a tight-knit community, a new family commits a slight against a community member causing all of their neighbors to turn against them and leading to an explosive conclusion.

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

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

In a tight-knit community, a new family commits a slight against a community member causing all of their neighbors to turn against them and leading to an explosive conclusion.

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

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

In a tight-knit community, a new family commits a slight against a community member causing all of their neighbors to turn against them and leading to an explosive conclusion.

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

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

A shocking ambush at a funeral leads the team into a heated investigation to find the shooters; much to Atwater's surprise, he must rely on someone from his past to help in the investigation, dredging up old memories and revealing new truths.

Sean O'Neal surprises Upton with a call from prison, revealing sensitive information; while Upton grapples with how to keep O'Neal at a distance, the team quickly mobilizes to stop a crime in progress before it's too late.

Voight and the team help ASA Nina Chapman pursue a drug runner who dodged prison years ago after Chapman's informant mysteriously disappeared; the investigation takes a turn when Voight uncovers a damaging secret from Chapman's past.

After a brutal shooting, Burgess and Ruzek find themselves trapped aboard the busy "L" subway; as they piece together scant evidence, the team is drawn into a dark family drama; Burgess' proximity to the shooting triggers harsh memories.

When a family is poisoned in their home, the team discovers a connection to the Becks; Ruzek goes undercover to work for their business, and as he gets closer to Samantha, chilling information about her father, Richard, comes to light.

General Gregor retrieves the Sword of Mars and uses it to take over the country of Caucasylvia, gaining control of their nuclear arsenal; the team must steal the Sword to prevent world calamity.

A shocking ambush at a funeral leads the team into a heated investigation to find the shooters; much to Atwater's surprise, he must rely on someone from his past to help in the investigation, dredging up old memories and revealing new truths.

Air authorities search desperately for the plane and federal agencies spring into action; as the group becomes smaller and smaller, the last survivors know they are going to have to fight to stay alive.

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

Sean O'Neal surprises Upton with a call from prison, revealing sensitive information; while Upton grapples with how to keep O'Neal at a distance, the team quickly mobilizes to stop a crime in progress before it's too late.

Voight and the team help ASA Nina Chapman pursue a drug runner who dodged prison years ago after Chapman's informant mysteriously disappeared; the investigation takes a turn when Voight uncovers a damaging secret from Chapman's past.

After a brutal shooting, Burgess and Ruzek find themselves trapped aboard the busy "L" subway; as they piece together scant evidence, the team is drawn into a dark family drama; Burgess' proximity to the shooting triggers harsh memories.

General Gregor retrieves the Sword of Mars and uses it to take over the country of Caucasylvia, gaining control of their nuclear arsenal; the team must steal the Sword to prevent world calamity.

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

Air authorities search desperately for the plane and federal agencies spring into action; as the group becomes smaller and smaller, the last survivors know they are going to have to fight to stay alive.

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

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.

Hen fears for Karen's life when an explosion rocks her science lab on the day she brings Denny to work with her.

Athena and the 118 race to the rescue when a fading movie star is plagued by a series of near-death experiences.

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.