The Sign of Four

Sherlock Holmes and Dr. Watson try to track down the Great Mogul, the second-largest diamond in the world. Sherlock Holmes and Dr. Watson try to track down the Great Mogul, the second-largest diamond in the world. Sherlock Holmes and Dr. Watson try to track down the Great Mogul, the second-largest diamond in the world. Sherlock Holmes and Dr. Watson try to track down the Great Mogul, the second-largest diamond in the world.