The mysterious death of Sir Charles Baskerville is blamed on a longstanding curse that has followed his family for 200 years, a supernatural hound who roams the moors. Detective Sherlock Holmes attempts to uncover the truth.

Greed, betrayal and vengeance set the stage for this Sir Arthur Conan Doyle classic. Mary Morstan, a young governess, has been receiving a rare and lustrous pearl annually from an anonymous benefactor. This mysterious person now wants a meeting. Anxious and bewildered, Miss Morstan enlists Sherlock Holmes and Dr. Watson to escort her to this meeting. Together they go to the home of an eccentric novelist, Thaddeus Sholto, who recounts to them a tale of secrecy, hidden treasure and sudden death.

Sir Arthur Conan Doyle's Sherlock Holmes - the world's greatest detective - faces a most alluring adversary... Legendary opera star Irene Adler is threatening to destroy the King of Bohemia's reputation with proof of their illicit affair. The evidence? A photograph. Her ransom? The king's hand in marriage. But not only does investigating detective Sherlock Holmes already know Irene from the past, he also knows that the queen of manipulation would never resort to such a common crime. After uncovering her true ambitions, Holmes draws the cunning songstress into a well-matched game of cat and mouse.

Sherlock Holmes investigates a series of death rumoured to be caused by a vampire.