Halstead (Jesse Lee Soffer) and Atwater (LaRoyce Hawkins) go undercover to prevent military grade weapons from hitting the street. Meanwhile, Voight (Jason Beghe) calls in a favor as a last ditch effort to clear Olinsky’s (Elias Koteas) name for Bingham’s murder.
Crockett worries he made a surgical error when a recent transplant patient comes in with complications. Carol is once again in distress. Will and Natalie must take action to right their wrong.
