مارينا سكويرسياتي

A rare but deadly bacteria takes its toll on numerous victims around the city, leaving Chicago's finest first responders to work together alongside the CDC to resolve the dangerous situation. Severide suspects something bigger is happening.

When a fire ruins a neighbourhood wedding, the Firehouse becomes the replacement venue. Dawson has difficulty returning to life on the job, and tensions run high between Chili and Borrelli.

Firehouse 51 responds to the scene of a harrowing blaze that endangers the lives of many, including one of the Chicago family.

Severide has a big decision to make about the future of his career. Meanwhile, Herrmann has a run-in with a patrol cop.

A series of teen opioid overdoses sees Severide partner with Sean Roman, but he begins to suspect there's more to the story than his old friend is telling him. Casey tries to be there for Brett as she considers her birth mother's offer to meet.

في أعقاب انهيار نفق المترو، يقوم روزيك وكيد بمعالجة الركاب المصابين وتعقب الجاني المفقود. يقوم آرتشر وفروست بإجراء عملية بتر لإنقاذ حياة الشخص. تشعر لينوكس بثقل آمال شرطة شيكاغو وهي تحارب لإنقاذ أحد أفرادها.