The Rajah’s Diamond, the most precious diamond in the world, seems to bring bad luck on everyone who comes into contact with it. The diamond is the property of a certain Sir Thomas Vandeleur, but Sir Thomas’s wife tries to sell it to pay her debts. But the diamond is stolen and then falls into the hands of various people, who are all corrupted by its great beauty and value. Follow the diamond as it travels from London to Edinburgh to Paris and find out what happens to it...