In the Season 2 finale, Commander Perry asks Voight and the team to rescue his cop-nephew from a corrupt squad of officers that robs drug dealers. In other events, Lindsay struggles to maintain her sobriety; and a woman from Olinsky's past contacts him.moreless
Sean and Kim get themselves into trouble on patrol, with no back up and things looking bleak will anyone notice they are missing in time to save them? Meanwhile the members of intelligence undergo some unwanted training.moreless
The race is on to catch one of Chicago's most deadly arsonist's before he gets to one of them...
Complicated clues surround the murder of a mother and her daughter. While, Lindsay prepares for an undercover investigation in another country, and Burgess and Roman decide that they need to put the past behind them.moreless
Lindsay calls on Voight and his unit for help with her first case on the federal task force; Burgess is relegated to desk duty.
Following the death of a 10-year old girl the intelligence unit have one option to gain access to their suspect, go on the inside. Ruzek and Atwater act as inmates to work the case from the inside. Outside prison, Voight and Olinsky follow-up on a good lead to answer some questions about the shooting. Meanwhile, Burgess and Roman show three boys around district thinking they are part of the Police Explorers program, only to realize that's not quite the case.moreless
A hit man tries to take out Halstead but accidentally shoots a bartender instead. Meanwhile, Olinksy asks Bembenek to cancel the hit; Voight and his team go after the hired assassin; and Platt and Nadia come to an understanding.moreless
Lindsay is at a crossroads regarding Charlie and Halstead convinces her to talk to Voight; Burgess copes with losing her shot in joining the Intelligence Unit; Voight discovers Jin is a Internal Affairs mole; The Intelligence Unit investigates stolen explosives at the construction site; and the team loses one of their own.moreless
The Intelligence Unit investigate a violent armed robbery in a bank; Burgess asks to go undercover on the case to prove herself; Platt asks Ruzek for an unusual favor off-the-books; and Halstead spends time with the family of his high-school sweetheart.moreless
Halstead is investigated for the murder of Lonnie Rodiger, which Voight suspends him pending investigation; The Intelligence Unit works on a missing when a missing torso is found in the car; Detective Sumner is given a chance to prove her worth in Intelligence; and Lindsay enjoy the late night visit from firefighter Kelly Severide.moreless