All Cylinders Firing Chicago P.D. : Season 4 Episode 3
TV-14 NBC 43m
Aired: October 5th, 2016 @ 10:00 PM EST on NBC
Platt is sent to the hospital after a vicious attack outside her father's house. Mouch is questioned and past threats against her are revisited while the team investigates. A gruesome discovery inside the father's home ups the ante in the case.
