Sherlock Holmes and Dr. Watson look into reports that a huge, vicious hound has killed Lord Charles Baskerville and that Lord Henry Baskerville is the next to be killed.

Warsaw 1831: The young music student Frédéric Chopin falls in love with the singer Constantia. When his professor learns that Polish revolutionaries want to persuade Chopin to take part in their uprising, he and Constantia hatch a plan to keep Chopin away from the revolution: Constantia pretends that she no longer loves him, so that Chopin accepts an offer to go to a concert in Paris. There, however, he meets the famous writer George Sand and falls in love with her.

Suspicion surrounds a lieutenant for killing his father; based on Dostoevsky's novel.