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

Boden makes a decision that impacts the race for deputy commissioner. A tense call brings up painful memories for Carver and Damon. Mouch struggles to adjust to the new truck.

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

Boden makes a decision that impacts the race for deputy commissioner. A tense call brings up painful memories for Carver and Damon. Mouch struggles to adjust to the new truck.