Having witnessed his junkie father killed Russell Stevens grows up to become a policeman and make a difference. When he is offered an undercover job by Gerald Carver he accepts and begins to build a relationship with David Jason in order to get to the main dealers. However as he is forced to deal drugs and kill to keep his cover he finds the lines between cop and criminal being lost – is he a cop pretending to be a dealer or a dealer pretending to be a cop Larry (as he was then) Fishburne's fir