Halstead's partying with Camila unintentionally puts him in the middle of a drug-related homicide. He's forced to choose between loyalty to his unit and his girl. Meanwhile, Voight finally discovers the mole in his unit.
Stars: Jason Beghe, Jon Seda, Jesse Lee Soffer
Director(s): Carl Seaton
Writer(s): Michael Brandt, Derek Haas, Dick Wolf