After shooting a homicidal teen during a hold-up Starsky is cleared of any wrongdoing. But, when fellow policemen are being murdered by a killer out to punish Starsky, he feels responsible and takes immediate action.

Crazed killer Prudholm returns to extract his revenge on Starsky, who he blames for the death of his son while in Police custody. By targeting Starsky's beloved girl-friend, making sure that she is shot in a supermarket heist, leaving her with a bullet fragment lodged in her brain and facing impending death...