Perkins investigates when sister-in-law Lucy is badly beaten after being the victim of a stalker. When questioned, the suspect reveals a surprising link between himself and Perkins' brother Ben, who he suspects is trying to uncover information on Lucy's new lover. However, the situation turns out to be much more serious when Ben stabs one of his fellow inmates, and Perkins uncovers a protection racket. Meanwhile, Hunter and Nadir investigate a robbery involving the theft of sunglasses, which leads them to Cindy Hunter's beauty salon. Kent and Murphy investigate a series of burglaries on the homes of the recently deceased, but Kent decides to dish out his own brand of justice.