An arsonist targets Lt. Severide. Meanwhile, Station 51 is under scrutiny by Gail McLeod, a financial consultant for the city who is deciding if any firehouses should be closed. Mouch receives a visit from his Japanese girlfriend, Lt. Casey "celebrat... (more)es the one-year anniversary of Andy's death, and Shay suspects Severide's paternity.

Chaon Cross, Cindy Chang, Jeff Hephner, Jesse Lee Soffer, Jon Seda, Larisa Polonsky, LaRoyce Hawkins, Michelle Forbes