A missing teenage boy with disturbing drawings in his notebook could pose a serious threat to the students at his wealthy school. Atwater wants to make a good impression on a prominent African American police Captain and Olinsky and Michelle find themselves in a difficult situation and turn to Ruzek and Burgess.moreless
Intelligence pursues a heroin kingpin who has a member of the team kidnapped.
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.