A washed up, alcoholic former model, who Starsky went to school with, is the only person to get a good look at a murderous thief when she finds him robbing her apartment. But when she refuses assistance from the Police, Starsky risks both his career and his life as he breaks procedure and hides the girl out at his home to safeguard her until the killer is caught, but the killer and his cronies are out to see that the girl isn't around to point the finger...