C.J. Lindsey

A member of the Firehouse 51 family remains in peril. Cruz lends a hand to Severide in the ongoing investigation.

When an act of arson harms someone close to the Firehouse 51 family, Severide must track down the perpetrator. Impending budget cuts push Mouch and Pascal to get creative.

Severide investigates a suspicious high school fire. Novak gets an unexpected call.

Karen's relationship begins to fall apart when Vivian discovers she slept with Alec and they both lied about it. Meanwhile, April's connection with Blair deepens, but Lucy begins to see a very strict side of him. After a series of blows to his self-esteem, Marc battles his demons, and Calista throws Joss under the bus with the police, causing her to become the prime suspect.