Cardinal Richelieu gives the order that the twin brother of France's King Louis XIV should be removed from the court and taken to the country. There he is educated, without knowledge of his true ancestry, and kept as a prisoner.

Dr. Mabuse and his organization of criminals are in the process of completing their latest scheme, a theft of information that will allow Mabuse to make huge profits on the stock exchange. Afterwards, Mabuse disguises himself and attends the Folies Bergères show, where Cara Carozza, the main attraction of the show, passes him information on Mabuse's next intended victim, the young millionaire Edgar Hull. Mabuse then uses psychic manipulation to lure Hull into a card game where he loses heavily. When Police Commissioner von Wenk begins an investigation of this mysterious crime spree, he has little to go on, and he needs to find someone who can help him.

As a young couple stops and rests in a small village inn, the man is abducted by Death and is sequestered behind a huge doorless, windowless wall. The woman finds a mystic entrance and is met by Death, who tells her three separate stories set in exotic locales, all involving circumstances similar to hers.

The House on the Moon