#ChicagoPD Season 4 Sneak Peak

We are just a week away from the most intense season premiere of Chicago PD.

After the events in the season 3 finale, will Erin turn Voight in for what he done to the suspect that killed his only son? Things don't look good. Checkout the promotional photos of episode one and the sneak peak of Season 4. 

The season premiere of Chicago PD begins Wednesday, Sept. 21 at 10/9c on NBC!!