A mysterious death in Devonshire, the terrifying legend of a ghostly hound, and a new client for Mr Sherlock Holmes—assisted, of course, by his friend Dr Watson.

Sherlock Holmes has realised that his client Sir Henry Baskerville is being followed by a mysterious stranger. Holmes and Watson hurry to Sir Henry's hotel, hoping they will be in time.

The sinister butler Barrymore has been discovered signalling to someone out on the moors. Is he in league with the Baskervilles' mysterious enemies?

Has Sir Henry Baskerville fallen victim to the family curse? Can Sherlock Holmes put an end to the centuries-old terror of the Hound?