Chicago Fire: Season 4, Episode 14

4 - 14: All Hard Parts

Lt. Severide confronts Chili about his suspicions regarding her erratic behavior, but she does not take too kindly to his intentions. Meanwhile, members of the firehouse rally around Lt. Casey, who they believe is a perfect candidate to run for the position as Alderman and Jimmy faces off against Antonio in the first annual "Battle of the Badges" boxing match.