This is the first of four film versions of Arthur Conan Doyle’s novels starring Basil Rathbone and Nigel Bruce as Sherlock Holmes and Dr. Watson. Sir Henry Baskerville returns from a trip abroad to claim the inheritance after his uncle’s death. He inherited a castle in Devonshire and lots of land mostly consisting of swamps. He invites Sherlock Holmes to solve the mystery of the family curse that threatens the young heir.