Sherlock Holmes and Dr Wantson investigate the legend of a super natural hound, a beast that may be stalking a young heir on the frog_ shrouded moorland that makes his estate. On his uncle's death Sir Henry Baskerville returns from aboard and opens up the ancestral hall on the desolate moors of Devonshire.
Sherlock Holmes is approached by Dr Mortimer to assist in protecting the life of his best friend's newphew who is that very day returning to England from Canada. Mortimer's friend, Sir Charles Baskerville recently died and although the coroner ruled it to be a natural death, the Doctor knows he was being chased by a legendary dog, the Hounds of Baskerville's that has plagued the Baskerville family for years. Sir Henry Baskerville is Sir Charles Baskerville heir and Mortimer is conveniced that he will not last long living on the moors at Baskerville Hall. Already Sir Henry is facing odd happenings when a single boot is stolen at his hotel. Holmes dispatches his good friend Dr Wantson to accompany the young man to the family estate while he attends to other matters in London. Once there Sir Henry meets the lovely Beryl Stelpton and her brother John. The servants are acting strangely and when Wantson catches one of them signalling to someone on the moor, he thinks he knows who might be involved. Holmes who has been masquading as a tramp has his own ideas however and the solution to the mystery lies in the Baskerville family history. Holmes and Watson investigate the legend of a super natural hound responsible for the deaths of the heirs of the Baskerville family. Holmes is approached and hired by Dr Mortimer, a friend of the Baskerville family. Mortimer is anxious when the last and the youngest heir of the Baskerville family, Sir Henry returns from aboard and moves to the ancestral property on the desolated moors of Devonshire. The Hounds of Baskerville's opens with a mini mystery Mr Holmes and Dr Wantson speculate on the identity of the owner of cane that has been left in their office by an unknown visitor. Wantson with his fabulous powers of observation. Holmes predicts the appearance of James Mortimer owner of the found object and a convenient entree in to the baffling curse of the Baskerville's. Entering the office and unveiling an 18 century manuscript, Mortimer recounts the myth of the lecherous Hugo Baskerville.