Jake Lockett

Herrmann grows uneasy when a local accident attorney inserts himself into a routine call. Firehouse 51 gets a visitor.

Jason and the team feel conflicted when they are tasked with bringing home an American soldier who was captured after deserting, in exchange for detainees in Gitmo.

Following the subway tunnel collapse, Ruzek and Kidd treat injured passengers and track down the missing offender. Archer and Frost perform a life-saving amputation. Lenox feels the weight of the CPD's hopes as she fights to save one of their own.

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 Violet risk clashing with Paramedic Chief Robinson after Lennox makes a dangerous decision on a call. Capp and Tony attempt to break a world record. Cruz and Chloe's marriage problems come to a head.

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.