Voight and the team discover a massacre, eight million in cash stolen and two wounded men in a clearing house. During questioning, one guy, Perko, provides some intel that is key to the case and leads Antonio to realize that two gangs were involved. Burgess steps up to help the unit and prove herself to Voight. Meanwhile, a softer light is cast on Platt when she enlists the help of Ruzek.
Stars: Jason Beghe, Jon Seda, Sophia Bush
Director(s): Nick Gomez
Writer(s): Michael Brandt, Derek Haas, Dick Wolf