Officers John Nolan and Lucy Chen must fulfill three quests if they want to get a stolen police helicopter back safely from a teenage thief. Meanwhile, Officer Nyla Harper and Aaron Thorson must guard a convicted cop killer in the hospital following a prison riot.

Officer Harper puts Officer Aaron through "Plain Clothes Day," but the exercise is interrupted by an unsuspected visitor. Meanwhile, after two witnesses for an upcoming grand jury case are murdered, the team must track down the killers before it's too late.