The Hound of the Baskervilles is one of Arthur Conan Doyle’s most famous Sherlock Holmes mysteries, combining detective reasoning with Gothic atmosphere, suspense, and supernatural legend. The story begins with the mysterious death of Sir Charles Baskerville, whose family has long been haunted by a terrifying legend of a gigantic supernatural hound said to pursue the Baskervilles.

Dr. James Mortimer approaches Sherlock Holmes and Dr. John Watson for help after discovering evidence that Sir Charles may have died in fear. The latest heir, Sir Henry Baskerville, has arrived from Canada to inherit the family estate, but strange warnings and threatening incidents suggest that he may also be in danger.

Holmes initially remains in London while Watson travels to the isolated Baskerville Hall on the bleak Devonshire moor. There, Watson encounters suspicious neighbors, unexplained sounds, mysterious figures, and the unsettling atmosphere surrounding the ancient family curse. Holmes eventually joins him, secretly investigating the case and carefully separating superstition from evidence.

As the mystery unfolds, Doyle combines scientific deduction with carefully planted clues and misdirection. The terrifying legend ultimately conceals a carefully planned human crime rather than a genuine supernatural force.

The novel explores fear, deception, inheritance, greed, and rational investigation. Its atmospheric setting and intricate mystery make it one of the defining works of detective and Gothic fiction.