After a botched undercover job, Ruzek is under scrutiny by the new Street Deputy Crowley who will determine his future with the unit. A suspicious person call turns into a murder investigation when Burgess and her temporary partner Price discover the body of a dead man in an SUV. After Mouse identifies the victim as the owner of a security company, the unit soon realizes there might be more to his story. Halstead and Lindsay take a step forward in their relationship.

Intelligence sets out to find a missing teenaged boy who they believe poses a serious threat to the students at his wealthy school after finding disturbing drawings in his notebook. Meanwhile, Atwater is eager to make a good impression on a prominent African American police Captain and Olinsky and Michelle find themselves in a difficult situation and turn to Ruzek and Burgess for help.