The 118 fights an apartment building blaze and attempts a daring rescue of a blind woman trapped inside; Athena discovers a potentially sinister crime; Hen performs a risky medical procedure after an accident at a televised cooking show.

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.

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

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

When the prime subject for four factory deaths has a perfect alibi, investigators use video analysis, timeline reconstruction and a 3-year old fingerprint to solve the crime.

Sixteen years after a college student is found raped and strangled on a buffalo bike path, DNA technology and other clues help catch the killer.

A Texas playboy is murdered and police uncover x-rated photos, shocking videos and an object hidden inside the victim's body.

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.

Severide agrees to a bone marrow donation; Casey and Dawson attempt to find harmony at home; Otis and Mouch plan to create a PSA to encourage people to join the Chicago Fire Department.

Dawson struggles to control her emotions during an ambulance ride with a pregnant teen; the firefighters rush to a building fire; Casey must make a quick decision when two victims both need life-saving assistance; Severide shares a bond with Anna.

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.

Severide agrees to a bone marrow donation; Casey and Dawson attempt to find harmony at home; Otis and Mouch plan to create a PSA to encourage people to join the Chicago Fire Department.

Dawson struggles to control her emotions during an ambulance ride with a pregnant teen; the firefighters rush to a building fire; Casey must make a quick decision when two victims both need life-saving assistance; Severide shares a bond with Anna.

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.

When the prime subject for four factory deaths has a perfect alibi, investigators use video analysis, timeline reconstruction and a 3-year old fingerprint to solve the crime.

Sixteen years after a college student is found raped and strangled on a buffalo bike path, DNA technology and other clues help catch the killer.

Realizing a long-held dream, a Michigan couple relocates to Florida, then their life in the sun is destroyed after they get into a fatal conflict with their neighbor.

Police try to track down the killer of two elderly women.

The SRU is called to what appears to be a home invasion turned into a standoff, but team members soon realize the hostage-taker is no stranger to the family.

Realizing a long-held dream, a Michigan couple relocates to Florida, then their life in the sun is destroyed after they get into a fatal conflict with their neighbor.

Police try to track down the killer of two elderly women.

The SRU is called to what appears to be a home invasion turned into a standoff, but team members soon realize the hostage-taker is no stranger to the family.

Realizing a long-held dream, a Michigan couple relocates to Florida, then their life in the sun is destroyed after they get into a fatal conflict with their neighbor.

The SRU is called to what appears to be a home invasion turned into a standoff, but team members soon realize the hostage-taker is no stranger to the family.

The Duprees, a powerful and prestigious multi-generational family that is the very definition of Black royalty, live, love, work and play in a leafy Maryland suburb just outside of Washington D.C.

A dangerous man is on the loose with a vendetta against Lt. Casey and the Firehouse 51 squad; Antonio's ex-wife appears; Casey has a gift for Dawson.

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.

John, full of regret over his friendship with Tommy, attempts to voice his suspicions to Fiona, who feels she needs space from John.

Elvira helps Oisin frame drug dealer Albert for Ruby's murder, but Albert ambushes her; after a violent struggle, Albert is killed, and Elvira frames him as Ruby's killer; Hughie returns, free thanks to Vivienne.

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.

John, full of regret over his friendship with Tommy, attempts to voice his suspicions to Fiona, who feels she needs space from John.

Elvira helps Oisin frame drug dealer Albert for Ruby's murder, but Albert ambushes her; after a violent struggle, Albert is killed, and Elvira frames him as Ruby's killer; Hughie returns, free thanks to Vivienne.

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.

Casey reunites with a former colleague; Dawson and Brett serve their time in retraining; Severide tries to fix what's going on with Anna.

A man who is meticulous about his lawn bickers with a new neighbor who doesn't have the same priorities; the feud between the two men escalates, ultimately ending in an episode of shocking violence.

Phoenix police face a unique serial killer team that is stalking and killing innocent people.

The team discovers that the federal agent they are working with during the transport of a serial killer is secretly sabotaging their mission.

A man who is meticulous about his lawn bickers with a new neighbor who doesn't have the same priorities; the feud between the two men escalates, ultimately ending in an episode of shocking violence.

Phoenix police face a unique serial killer team that is stalking and killing innocent people.

The team discovers that the federal agent they are working with during the transport of a serial killer is secretly sabotaging their mission.

A man who is meticulous about his lawn bickers with a new neighbor who doesn't have the same priorities; the feud between the two men escalates, ultimately ending in an episode of shocking violence.

The team discovers that the federal agent they are working with during the transport of a serial killer is secretly sabotaging their mission.

The Duprees, a powerful and prestigious multi-generational family that is the very definition of Black royalty, live, love, work and play in a leafy Maryland suburb just outside of Washington D.C.

Will confronts a moral decision when his former teacher faces a life-threatening disease; Rhodes disagrees with the father of a young patient about a risky procedure; an unusual case causes Sarah to recall Jason Wheeler's suicide.

Doctors must diagnose patients without the aid of technology after a hacker shuts down the hospital computer system; Goodwin gets a visit from her ex husband Bert and his new girlfriend; Choi and Noah have to remove a bullet from a gunshot victim.

Dr. Halstead's father is admitted to the hospital against his wishes; Dr. Charles gets involved when his daughter's strange behavior continues to intensify; Dr. Manning feels the impact of being a working mother.

A mother is desperate to help her daughter beat cancer; Dr. Charles asks Sarah to conduct his daughter Robin's psych evaluation; Dr. Choi puts pressure on Noah when a residency spot becomes available.

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

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

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

Will confronts a moral decision when his former teacher faces a life-threatening disease; Rhodes disagrees with the father of a young patient about a risky procedure; an unusual case causes Sarah to recall Jason Wheeler's suicide.

Doctors must diagnose patients without the aid of technology after a hacker shuts down the hospital computer system; Goodwin gets a visit from her ex husband Bert and his new girlfriend; Choi and Noah have to remove a bullet from a gunshot victim.

Dr. Halstead's father is admitted to the hospital against his wishes; Dr. Charles gets involved when his daughter's strange behavior continues to intensify; Dr. Manning feels the impact of being a working mother.

A mother is desperate to help her daughter beat cancer; Dr. Charles asks Sarah to conduct his daughter Robin's psych evaluation; Dr. Choi puts pressure on Noah when a residency spot becomes available.

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

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

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

Will confronts a moral decision when his former teacher faces a life-threatening disease; Rhodes disagrees with the father of a young patient about a risky procedure; an unusual case causes Sarah to recall Jason Wheeler's suicide.

Two families with several children between them get along famously until one of the mothers starts to dictate to the other how she should be raising her children; battle lines are drawn, violence flares and blood runs in the street.

Police in Abbotsford, B.C. hunt a stalker who has left one teen dead and another barely alive.

The team is called to a robbery at a local store when two boys take hostages after their escape plan fails.

Two families with several children between them get along famously until one of the mothers starts to dictate to the other how she should be raising her children; battle lines are drawn, violence flares and blood runs in the street.

Police in Abbotsford, B.C. hunt a stalker who has left one teen dead and another barely alive.

The team is called to a robbery at a local store when two boys take hostages after their escape plan fails.

Two families with several children between them get along famously until one of the mothers starts to dictate to the other how she should be raising her children; battle lines are drawn, violence flares and blood runs in the street.

The team is called to a robbery at a local store when two boys take hostages after their escape plan fails.

The Duprees, a powerful and prestigious multi-generational family that is the very definition of Black royalty, live, love, work and play in a leafy Maryland suburb just outside of Washington D.C.

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.

Athena investigates a mysterious murder during a neighborhood block party; the 118 rush to save lives endangered by a bomb threat; Chimney has a hard time keeping secrets when Maddie and Buck's parents come to town.

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 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.

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.

Athena investigates a mysterious murder during a neighborhood block party; the 118 rush to save lives endangered by a bomb threat; Chimney has a hard time keeping secrets when Maddie and Buck's parents come to town.

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 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.

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.

A homeowner has high hopes for the renters who move in next door; then, his hopes are dashed, setting the stage for a shocking act of violence that threatens to claim many lives.

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

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 homeowner has high hopes for the renters who move in next door; then, his hopes are dashed, setting the stage for a shocking act of violence that threatens to claim many lives.

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

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 homeowner has high hopes for the renters who move in next door; then, his hopes are dashed, setting the stage for a shocking act of violence that threatens to claim many lives.

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.

Dani suspects Naomi may be carrying a life-changing secret; Nicole and Vanessa are at odds while Leslie issues a warning to June; an intriguing offer is dangled in front of Donnell; Shanice receives two unexpected pieces of information.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

A retiree buys a duplex and rents out half of it to a troubled family; with the help of his gun, he sends the abusive husband packing and becomes smitten with the wife left behind; the situation turns deadly when the husband returns.

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

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 retiree buys a duplex and rents out half of it to a troubled family; with the help of his gun, he sends the abusive husband packing and becomes smitten with the wife left behind; the situation turns deadly when the husband returns.

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

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 retiree buys a duplex and rents out half of it to a troubled family; with the help of his gun, he sends the abusive husband packing and becomes smitten with the wife left behind; the situation turns deadly when the husband returns.

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.

Anita and Vernon get creative to escape the current chaos in their lives; Vanessa demands something of Joey; Bill gets an unexpected gift from a surprise visitor; Smitty makes an announcement to Tyrell and Samantha about the future of their family.

The Silver family observes Yahrzeit to honor patriarch Ben Silver on the one-year anniversary of his death; Lena and Danny investigate the murder of a beloved shop owner; Sarah responds to a hostage crisis; Mae faces a difficult legal decision.

The team searches for a serial killer; Nyla struggles with the aftermath following the attack; Lucy's relationship with Seth takes a turn; Bailey battles her fear of Jason Wyler.

It's Valentine's Day, and Lt. Grey gives Tim and Lucy an unromantic assignment; John and Celina track down a missing girl; the team sharpens up for a charity gala where multiple relationships come to a head.

On Celina's last day as a rookie, John gives her one final test; Bailey makes a new friend; Lucy places her faith in Seth for an undercover assignment.

Nyla remains suspicious of Liam Glasser as a wildfire erupts, causing chaos in the city; James tries to help a friend; Seth makes a costly mistake, putting two of their own in danger.

The Silver family observes Yahrzeit to honor patriarch Ben Silver on the one-year anniversary of his death; Lena and Danny investigate the murder of a beloved shop owner; Sarah responds to a hostage crisis; Mae faces a difficult legal decision.

When a man disappears in a lawless Arizona desert town, Colter's investigation uncovers a hidden relationship that draws him into a dangerous power struggle - and leaves him facing the hard conditions of the wilderness.

The team mobilizes to locate a suspect after a deadly series of events affects one of their own; Celina takes on her first case with Bailey's help.

The team searches for a serial killer; Nyla struggles with the aftermath following the attack; Lucy's relationship with Seth takes a turn; Bailey battles her fear of Jason Wyler.

When a man disappears in a lawless Arizona desert town, Colter's investigation uncovers a hidden relationship that draws him into a dangerous power struggle - and leaves him facing the hard conditions of the wilderness.

On Celina's last day as a rookie, John gives her one final test; Bailey makes a new friend; Lucy places her faith in Seth for an undercover assignment.

Nyla remains suspicious of Liam Glasser as a wildfire erupts, causing chaos in the city; James tries to help a friend; Seth makes a costly mistake, putting two of their own in danger.

John, Lucy and Angela investigate the suspicious stabbing of three teenage girls; the team experiences technical difficulties while managing a group of prisoners and a wild animal.

John and Celina find themselves in a hostage situation while under cover for a public safety initiative; while Angela and Nyla investigate the suspects, Tim challenges Lucy's decision-making skills.

An April Fools' prank on LAPD's social media leads to citywide chaos; John's T.O. skills are tested; Wesley is assigned a challenging case; Tim and Lucy play a joke on the team.

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

When Leslie Neulander's death is declared accidental, forensic investigators sound the alarm that it was no accident.

A suitcase filled with unidentified human remains unlocks a missing person's case that has gone unsolved for years; the forensic analysis of a nearly-destroyed cellphone found in the suitcase reveals a mysterious selfie.

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.

The members of the 118 rush to the site of a hit-and-run that leaves a familiar face in critical condition; with Buck's help, Athena investigates the case of a missing woman; Josh recalls an emergency in 2006 that led him to become a first responder.

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.

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.

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

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.

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.

The members of the 118 rush to the site of a hit-and-run that leaves a familiar face in critical condition; with Buck's help, Athena investigates the case of a missing woman; Josh recalls an emergency in 2006 that led him to become a first responder.

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.

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.

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

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.

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.

The members of the 118 rush to the site of a hit-and-run that leaves a familiar face in critical condition; with Buck's help, Athena investigates the case of a missing woman; Josh recalls an emergency in 2006 that led him to become a first responder.

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.

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.

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

When Leslie Neulander's death is declared accidental, forensic investigators sound the alarm that it was no accident.

When Lanell Barsock is found murdered, it seems obvious to all that her boyfriend did it; when the forensic evidence comes in, investigators are astonished to learn they've arrested the wrong person.

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.

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.

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 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 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.

When Lanell Barsock is found murdered, it seems obvious to all that her boyfriend did it; when the forensic evidence comes in, investigators are astonished to learn they've arrested the wrong person.

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.

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

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

A family loves everything about their new home except the mockingbirds that perch and squawk in the backyard lemon tree; the family seeks to scare them off, igniting a feud with their neighbors that spins out of control until someone lies dead.

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

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

A family loves everything about their new home except the mockingbirds that perch and squawk in the backyard lemon tree; the family seeks to scare them off, igniting a feud with their neighbors that spins out of control until someone lies dead.

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

After an unpleasant encounter with Leslie, Nicole delivers an apology to Anita; Vanessa has a challenge for Joey; sparks fly when Eva meets a strikingly handsome newcomer.

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.

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.

John and Fiona try to work out a plan, but differ in their opinions; Tommy finds himself in a troubling situation after a tour group stumble upon something sinister.

Elvira, hailed as a hero for killing Albert, faces police suspicion; Hughie links Ward to multiple murders; Elvira's promotion stalls as the killer strikes again.

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.

John and Fiona try to work out a plan, but differ in their opinions; Tommy finds himself in a troubling situation after a tour group stumble upon something sinister.

Elvira, hailed as a hero for killing Albert, faces police suspicion; Hughie links Ward to multiple murders; Elvira's promotion stalls as the killer strikes again.

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.

Living in her family home, a woman befriends her new neighbors, only to be plunged into a nightmare of threats, violence and betrayal; after her brother steps up to protect her, blood will be spilled and lives forever shattered.

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

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

Living in her family home, a woman befriends her new neighbors, only to be plunged into a nightmare of threats, violence and betrayal; after her brother steps up to protect her, blood will be spilled and lives forever shattered.

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

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

Living in her family home, a woman befriends her new neighbors, only to be plunged into a nightmare of threats, violence and betrayal; after her brother steps up to protect her, blood will be spilled and lives forever shattered.

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

Kat is consumed with guilt after a passionate night with Tomas leaves him in a great deal of pain; Smitty and Martin bask in their new normal; June doles out advice to Tyrell; Hayley embarks on a lucrative fact-finding mission.

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

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

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

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