When Kelton is found murdered, Voight's grudge against the mayor-elect puts him under suspicion.
Detectives Upton and Halstead are desperate to clear their sergeant's name, but the more evidence they uncover, the more it seems to point toward his guilt. Key Plot Points:
Fans finally learn the fate of Antonio Dawson (Jon Seda), who fell off the wagon and went missing.
Halstead’s growing distrust of Voight reaches a breaking point as the team navigates the political fallout of a murdered mayor.