Ruzek reunites with an old colleague to take down a crime ring but when things don’t add up, Voight and Burgess do some investigating of their own.

Air Date: Wednesday, Oct. 27 (10:00PM – 11:00PM) on NBC.

NUP_195453_0071.JPG

Picture 1 of 13

CHICAGO P.D. -- "End of Watch" Episode 906 -- Pictured: LaRoyce Hawkins as Kevin Atwater -- (Photo by: Lori Allen/NBC)