The 1939 The Hound of the Baskervilles launched the iconic Basil Rathbone Sherlock Holmes series. With its mix of Gothic atmosphere, mystery, and deductive sleuthing, it remains one of the most influential Holmes adaptations, balancing crime investigation and supernatural dread in a moody classic style.

For generations the Baskerville family believes they have been cursed by a diabolical killer hound that prowls the fog-shrouded moors of their estate. When Sir Henry Baskerville is found dead the great detective Sherlock Holmes embarks on his most famous case and will need all his skills of deduction to unravel this haunting mystery and the legend of the hound.

Från IMDB:
Sherlock Holmes and Dr Watson investigate the legend of a supernatural hound, a beast that may be stalking a young heir on the fog-shrouded moorland that makes up his estate.