1894. The monstrous Hound of the Baskervilles has been dead for five years. Sir Henry Baskerville is living contentedly at Baskerville Hall with his new wife Audrey and their young son. Until, that is, Audreys lifeless body is found on the moors, drained of blood. Sherlock Holmes and Dr Watson are summoned to Sir Henrys aid, and must face a marauding beast that is the very stuff of nightmares.