In the introductory episode of the series, the presence of several street gangs contributes to a tension-filled atmosphere. The Rookies are assigned with the challenge of maintaining order amongst the rivaling street gangs, with Willie Gillis arising as the mediator between the gangs.

Terry and Willie, while doing routine spot checks, uncover a petty thief involved in a larger fur scandal. He agrees to give information against the two criminals who orchestrated the plan. However, due to a technicality, their trial is dismissed and they set their eyes on revenge. After several attempts to drag him back into their world of crime, Webster puts an end to the two felons criminal actions.