Chicago P.D. Season 7 Episode 20
Silence of the Night
Atwater goes undercover to take down a gun-trafficking ring, but discovers an officer from his past is undercover in the same organization.
Guest Stars
Mickey O'Sullivan
Officer Tom Doyle
Whitney Johnson
Lisa Paige
Gino Anthony Pesi
Eric McKenzie
Brent Sexton
Kenny Nolan
Wendell Pierce
Ray Price