Chicago P.D. Season 4 Episode 5
A War Zone
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.
Guest Stars
Jon Seda
Antonio Dawson
Nick Gehlfuss
Will Halstead
Samuel Hunt
Greg 'Mouse' Gerwitz
Li Jun Li
Julie Tay
Giota Trakas
Neighbor (uncredited)