Big Friends, Big Enemies
Season 4, Episode 4
Big Friends, Big Enemies 1
Vital Statistics
Airdate October 12, 2016
Written by Gwen Sigan
Directed by Rohn Schmidt
Episode Guide
All Cylinders Firing
A War Zone

Big Friends, Big Enemies is the forth episode of the forth season and the 65th overall episode of Chicago P.D.


The Intelligence unit investigates a drive-by shooting, which kills a local rap star. Voight initially suspects a terrorist group may be involved, but, after a second shooting in gang territory, the unit considers the possibility that both crimes are part of a gang war. Meanwhile, Burgess spots Atwater's younger brother while out visiting potential shooters and targets.

Cast Edit

Main CastEdit

Crossover CastEdit

Recurring CastEdit

Guest CastEdit