Mo Gallini

Following the gutsy firefighters, rescue squads and paramedics of Firehouse 51. No field is more dangerous yet so exhilarating, but the personal lives of these men and women provide close competition.

Paired with a new partner, Scully investigates a crime-scene photographer who may be responsible for the demise of his subjects.

Casey falls under the thumb of a rogue cop after a horrific car crash, while new girl on the block Nicki pays Severide special attention.

Casey loses his rag and comes to blows with Detective Voight, while Dawson's career hangs in the balance after her questionable conduct on a call.

Pete rethinks his career after learning that not every call has a happy ending, and Shay decides if she has a future with a married woman.

Severide is made an enticing offer by a woman he saved from a car crash and the crew bid farewell to a colleague after a blaze at a garage.