On their way from the station to the hall, Sir Henry, Dr. Mortimer, Watson and Perkins (their driver) are halted by a policeman, who warns them of a murderer stalking the moors, before sending the group on their way.

In the next scene, we see Holmes still in London, visiting Ada, his mother, who, as a bogus spiritualist aided by her housekeeper, Iris, scams older ladies of their money in false seances.

Arriving at Merripit Hall, Watson meets the eccentric Mrs. Stapleton, who displays surreal symptoms suggesting demonic possession.

Ordered to leave in disgrace, the Stapletons, Dr. Mortimer, Mr. Frankland, and his daughter Mary follow Sir Henry and Watson to kill them, but become trapped in a quagmire.

Holmes then proceeds to reveal that the Hound is no more than a large, rather friendly Irish wolfhound owned by the late Sir Charles Baskerville, whose excited barking was misinterpreted as a monstrous beast.

The film received overwhelmingly negative reviews, being described variously as "a chore"[1] and "a ponderous shambles",[2] with much of the blame being laid at Morrissey's direction, especially given the substantial comedic talent involved.