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.
芝加哥烈焰第十二季第2集
Mouch sets out to change his legacy and nickname; Ritter pushes Herrmann to see a doctor; Brett searches for the perfect wedding venue.
芝加哥烈焰第十二季第3集
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.
芝加哥烈焰第十二季第4集
Julia spends a couple days at 51. Boden's stepson, James, returns desperate for Boden to help his mother.