The dare-devil Detectives work undercover as stunt-men on the set of a new Western movie, in order to investigate a series of suspicious, fatal "accidents" that has befallen several members of a long-standing group of actors known as the 'Wolf Pack', with the head of the group and star of the film fearing that he'll be next. As Starsky and Hutch roll with the punches and blows in their guises as stunt-men, the case leads them to uncover a bizarre story of thwarted stardom and twisted revenge...

The crime-busting partners meet a one-time boxing champ, now a dockland worker, who witnessed the murder of a Policeman arranged by a dockland racketeer. But the former champ's own life is endangered after he refuses to take a fall in a boxing fight for the vicious racketeer...

The Detective pair are working undercover at a plush hotel as effeminate hair-dressers Mr. Marlene and Tyrone, to trim the plans of an international master thief known as The Baron, who is expected to strike at the private auction of a highly valuable cache of diamonds...