Chicago P.D.

Season 4, Episode 5

Episode Title: A War Zone

Air Date: 2016-10-26

Overview:

The team hunts drug dealers selling fentanyl, which has been linked to multiple overdoses around the city. Tay and Burgess discover a bloodied child who shares a twisted secret about his home life. Mouse contemplates reenlisting in the Army. Platt informs Tay about her next assignment.