When Atwater goes undercover in a dangerous South Side drug syndicate, he learns there may be more to its kingpin than meets the eye. Halstead tries to join Atwater undercover, but finds himself at a disadvantage. Voight petitions the brass to show Ruzek leniency in his court case.
Casts:
Jason Beghe, Tracy Spiridakos, Marina Squerciati, Patrick John Flueger, Benjamin Levy Aguilar, LaRoyce Hawkins, Amy Morton