An infection threatens Crockett's risky liver transplant. Maggie and Charles help a struggling burn unit nurse. Goodwin is forced to make a tough decision about Bert's future.
Bull and the TAC team are at the center of a federal civil suit dividing the city when they consult for the NYPD on the defense of a police officer accused of excessive force in the shooting of an unarmed man. As they aim to select jurors who will focus on the shooting's circumstances, the social politics surrounding the case create tension within their own ranks.
The firehouse reacts to some exciting news, a mysterious stranger arrives and a shocking call takes Severide's breath away.
A fire breaks out at a pet food factory and Casey and Severide help the owner, Pete, get to the bottom of it. The annual garage sale takes place at 51 and everyone is on edge.
Severide and Casey try to find the best fit for Kidd. Ritter, Gallo and Violet help plan an event for Mouch.
