Katelynn Shennett

Pacal finds himself under intense scrutiny when a member of the firehouse is injured on a call. Herrmann grapples with family issues.

Kidd and Severide's honeymoon is interrupted by a dangerous person from their past; Kidd's former academy classmate joins Firehouse 51; Brett and Violet reflect on their relationships.

Herrmann investigates the rise in missing fire hydrants and teams up with Kylie to track them down. Kidd’s cousin comes to town, revealing surprising family history. Violet and Novak treat the victim of a birthday cake smash gone awry.

Violet risks her job to deliver a baby on a tragic call. Mouch, Capp and Tony help Cruz track down Javi’s stolen bike.

Severide steps in as ranking officer at 51. Kidd fights to save her Girls on Fire program. Cruz's family is threatened when someone from Javi's past resurfaces.

Severide and Kidd investigate an explosion at a jewelry store. Cruz and Chloe take steps to make Javi a permanent part of their family. Gallo, Ritter and Mouch try to bond with Carver.