When a fire claims one of their own, there's plenty of guilt and blame to go around. Lt. Matthew Casey, in charge of ...

Severide is hiding a serious shoulder injury sustained in the fire that killed Andy Darden, and grapples with his gui...

Casey faces pressure to cover for a cop's son, who was responsible for a drunken-driving accident that left a teenage...

Chief Boden is accused of leaving a homeless man to die in a warehouse fire after ordering his men to evacuate the sc...

Casey confronts Detective Voight about his harassing tactics, vowing never to back down, and ends up paying the price...

Facing suspension, Dawson gets a hand from the same girl she saved through the procedures that landed her in front of...

Everyone in the firehouse is ordered to take a drug test after a call to a daycare center exposes them to a makeshift...

At the site of a train accident, Peter Mills becomes deeply upset when he observes the dead body of a young victim. U...

After he's injured in a terrible fire at an auto machine shop, Jose Vargas is forced to go on disability and leave hi...

After putting out a kitchen fire in an upscale townhouse, Casey, Herrmann, Mouch, Cruz, Otis and Mills find themselve...

Eaten up by his guilt over Flaco’s death in the fire, Cruz goes to Casey to confess. While Shay recovers from a head ...

Severide finally addresses Chief Boden about his injury and makes some important personal decisions about his future....

A troubled Chief Boden goes to the police when a man dies in a hardware store fire set by Ernie, the troubled teenage...

Severide finds that he shares a familiar past with Eric Whaley, the Lieutenant who was brought into the firehouse to ...

Dawson attempts to help her brother Antonio unravel the details of his drugs-and-gang investigation, and goes behind ...

The anguish that haunts Cruz over his previous actions boils over, as he puts himself and his fellow firefighters in ...

Old emotional wounds are opened when Lieutenant Severide’s father Bennie comes to town and clashes with Chief Boden o...

With tensions still running high between Chief Boden and Bennie Severide, things boil over when Mills confronts Benni...

Tragedy strikes when a rescue attempt at a tenement building proves unsuccessful, leaving the men and women of fireho...

Mills finds himself the target of resentment from some colleagues when Severide supports his desire to join Squad. Ta...

Accused of sexual misconduct by a former paramedic candidate, Severide faces potentially dire consequences and fights...

A frustrated Severide, turns to an unlikely ally to resolve his current dilemma. Casey begins to find satisfaction in...

Events force Lieutenant Casey to team up with the Intelligence Unit, now run by Voight, who doesn’t appear to have ch...

When a call comes in from the Cook County jail, the squad steps into a volatile predicament and are tasked with tryin...