In responding to a call Atwater (LaRoyce Hawkins) and Burgess (Marina Squerciati) discover a gunshot victim and the only witness is Lexi Olinsky (guest star Alina Taber). The shooting is tied to a Latin gang. To protect Olinsky’s (Elias Koteas) daughter, Voight (Jason Beghe) takes the case from the Gang Unit.
Voight pulls Halstead’s badge when Lonnie Rodiger is found dead. After a car accident Severide (guest star Taylor Kinney) and Clarke (guest start Peter Mills) discover the torso of Dr. Elliot who has been instrumental in putting away high profile criminals. With Intelligence down one Sumner (guest star Sydney Tamiia Poitier) is given an opportunity to prove herself.