The new team of doctors have a hand full when there's a train accident.
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