Mo Gallini

When a fire claims one of their own, there's plenty of guilt and blame to go around. Lt. Matthew Casey, in charge of the Truck, tries to carry on, but clashes with the brash Lt. Kelly Severide of the Rescue Squad - and each blames the other for their fallen team member.

Professional Courtesy. Casey is pressured to cover up for a drunk driver.

Mon Amour. Firehouse 51 works to regroup after a tragedy strikes in the Series Premiere.

Chief Boden faces accusations that he abandoned a homeless man to die in a warehouse fire; Severide helps an elderly woman; Detective Voight tries to convince Casey not to testify against his son; Shay has to face her ex during a call.

Hanging On. Voight's harassment towards Lieutenant Casey escalates.