Sherlock Holmes (Ian Richardson)

Hired by a young lady, Sherlock Holmes and Dr. Watson investigate the strange recent deaths of her missing father's friends from the army, as well as the whereabouts of the Great Mogul, the second-largest diamond in the world.

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.