Season 12
13 episodes
42 min. per episode
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A devoted firefighter battles personal demons while facing life-threatening emergencies, testing loyalty and love amidst Chicago's relentless chaos.
Episodes
Firehouse 51 is forced to share space with Firehouse 17. Kidd and Herrmann fight over Ritter; an arson case tests Kidd and Severide's relationship. Firehouse 51 says goodbye to one of its own.
Mouch sets out to change his legacy and nickname. Ritter pushes Herrmann to see a doctor. Brett searches for the perfect wedding venue.
Brett and Violet decide to take the investigation into their own hands, after witnessing a domestic dispute. Mouch vets Truck 81's new firefighter. Herrmann relies on something new to aid him on the job.
Julia spends a couple days at 51. Boden's stepson, James, returns desperate for Boden to help his mother.
After their defibrillator malfunctions on a call, Brett and Violet search for answers; Herrmann tries to find the perfect home for his new recliner; a secret from Gibson's past comes to light.
Follows both the professional and personal lives of the firefighters, rescue personnel, and paramedics of the Chicago Fire Department at the fictional Firehouse 51 as they risk their lives to save and protect the city of Chicago, Illinois.