Anthony Ferraris

Severide wants to implicate the serial arsonist, Dawson and Shay face the unexpected on a routine call, suspicions indicate Clarke is the mole, and Mouch campaigns for union president.

Boden pushes his team to pull it together in the aftermath of the explosion, Casey works to track down a missing Severide, Newhouse brings news about one of Mills' relatives and Herrmann and Otis come up with new goals.

Kelly is a law unto himself in his pursuit of Katie's kidnapper, while Dawson's grudge against Rebecca grows when she joins Firehouse 51.

Severide comes back to work but isn't his usual self, Mills discovers more information about his father's family and Herrmann asks Molly investors to share ideas that could help turn the business around.

Novak explores a new romantic connection. Vasquez deals with the aftermath of his father’s recent release.

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.