Katelynn Shennett

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

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.

Kidd and Severide investigate a trucking company responsible for a string of accidents. Herrmann recruits Kylie to help get new radios. Firehouse 51 celebrates Violet’s birthday. Carver’s allegiances are torn.

Severide goes for an unexpected ride on Truck 81. Ritters' world's collide when his secret cop boyfriend helps 51 track down Severide and the missing rig.