Jennifer Jelsema

When an act of arson harms someone close to the Firehouse 51 family, Severide must track down the perpetrator. Impending budget cuts push Mouch and Pascal to get creative.

The Clothes Make The Man...Or Do They? Med runs out of scrubs, forcing the staff to improvise. The life of Archer's son is in danger. Marcel and Charles help a kidney transplant patient experiencing psychosis. Asher and Halstead grow closer.

While responding to a potential carbon monoxide leak inside a home, Lt. Severide (Taylor Kinney) and Cruz (Joe Minoso) uncover the remains of a child inside the chimney. Subsequent information leads Severide to believe that the discovery may be linked to a case he had worked on years ago.