Six strangers invited to a remote manor discover they are all connected to the theft of the priceless Bloodstone ruby. All past owners of the cursed gem have either been murdered or met with unusual “accidents.” It doesn’t take long before the guests realize they have been brought together by the mastermind, Iago, to murder each other so that he can seize the gem for himself. In this classic Agatha Christie-style mystery, twists, and turns abound as the guests are murdered one by one.