|Season 4, Episode 1|
|Airdate||September 21, 2016|
|Written by||Matt Olmstead|
|Directed by||Mark Tinker|
Made a Wrong Turn
The Silos is the first episode of the forth season and the 62nd overall episode of Chicago P.D.
Sergeant Voight continues to grieve following his son's death. Detective Lindsay tries to keep quiet her knowledge of what happened between Voight and Justin's killer, and an internal investigation by the Chicago Police is conducted. Meanwhile, the Intelligence unit investigates an arson case which later turns to murder, and Officer Burgess meets her new partner Julie Tay.
- Jason Beghe as Sergeant Hank Voight
- Jon Seda as Detective Antonio Dawson
- Sophia Bush as Detective Erin lindsay
- Jesse Lee Soffer as Detective Jay Halstead
- Patrick John Flueger as Detective Adam Ruzek
- Marina Squerciati as Officer Kim Burgess
- LaRoyce Hawkins as Officer Kevin Atwater
- Amy Morton as Desk Sergeant Trudy Platt
- Elias Koteas as Detective Alvin Olinsky