After their High School Outreach assignment goes awry, Andy and Chris stumble on the victim of a vicious beating behind a nightclub. When the trail of clues leads them to discover the man’s assailant was a cop, the rookies are faced with a gut-wrenching moral decision – a choice that could dramatically jeopardize their future on the force. Meanwhile, the senior officers compete in a retraining exercise led by Frank Best, the new acting Staff Sergeant.