Sherlock Holmes comes to the aid of his friend Henry Baskerville, who is under a family curse and menaced by a demonic dog that prowls the bogs near his estate and murders people.
Sgt. Cannon (Tommy Cannon) and PC Ball (Bobby Ball) run the police station in the quiet town of Little Botham. When the station is threatened with closure due to a lack of crime, they decide to invent some crimes to justify their existence. When they try to steal a painting from a local rich...
