Confession – Antonio struggles with his guilty conscience as he tries to take down a major drug dealer. In order to protect his team, Voight takes a big shot at Kelton
Sacrifice – A violent crew is hitting pharmaceutical delivery trucks and stealing drugs, but their motivation is more complicated than just money. The case tests Upton and Ruzek’s relationship.
What Could Have Been – Intelligence’s investigation into the murder of Burgess’s boyfriend threatens to reveal a dark side she was unaware of. But the real motivation for his murder uncovers a much more unsettling truth.
This City – With the threat of a gang war looming, Voight and Ray Price must organize a peace summit to end the bloodshed before more innocent people get hurt. Burgess evaluates her future with Blair.
Pain Killer – A mayoral candidate is shot by an unidentified sniper, and CPD races to catch the shooter before he can take out his next target.
The Forgotten – Voight’s “stay out of politics” stance is challenged as Intelligence uncovers the details surrounding a prolific serial killer.
Good Men – Using information from Chicago Fire’s Cruz, Intelligence chases down the robbery crew that’s been using the lockbox key. Voight is under pressure to bring the crew to justice without tarnishing the reputation of a murdered firefighter who might have been involved.
Ties That Bind – The team travels to a Wisconsin gun show to take down a supplier who’s manufacturing “cop killer” machine guns. Before going undercover together, Burgess discovers that Upton is dating Ruzek.
Night in Chicago – Atwater goes undercover to bring down the longtime head of a criminal enterprise and becomes entangled in a situation that tests his allegiances as well as his conscience.
Outrage – While chasing a heroin supplier, CPD crosses paths with a convicted criminal recently released on a technicality. Halstead’s history with the man threatens the team’s ability to put him back in prison.