Anthony Ferraris

Severide investigates a fire at an abandoned store inhabited by squatters. Mouch pens a memoir about his life.

Severide is forced to crack open a cold case buried for decades. A routine call hits too close to home for Novak.

Severide and Kidd welcome a surprise visitor. Herrmann and Cindy renew their vows. Mouch receives some encouraging news.

After a devastating fire erupts at a surgery center, Kidd works to hunt down the true cause. Violet, Novak and Vasquez grapple with shifting relationships. Molly's hosts its first trivia night.

Severide is on high alert to track down a reckless driver who puts one of their own in harm's way. A member of Firehouse 51 struggles with a potentially life-changing decision.

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.