The House of Fear - the Good Comrades are a collection of varied gentleman who crave one thing, solitude. They reside at Drear Cliff House, ancestral home of their eldest member. All seems serene and convivial until one by one the members begin to perish in the most grisly of manners. Foul play is suspected by the Good Comrades' insurance agent, who turns to Sherlock Holmes and Doctor Watson for guidance. The Pearl of Death - the famous Pearl of Death, a valuable gem with a history of bringing murder and misfortune to it's owner since the days of the Borgias, finally reaches it's proper place at a museum in London. But before long the jewel is ingeniously stolen. Shortly thereafter, a series of horrible murders begins, with the murderer leaving his victims surrounded by a mass of smashed China. Holmes must outwit two diabolical criminals in a complicated case that could lead to his own death.