In this mystery, a nouveau-riche Frenchman returns to his Parisian home after finding a fortune in Africa. He is looking for a wife and begins advertising in the newspaper. Instead he finds himself victimized by con-artists.

1955 film by Pierre Billon

1971 film

Henri Verdier, a young bank manager, has made the acquaintance of Karine, a model of great beauty. Robert, who claims to be Karine's brother, forces Karine to introduce him to Verdier. This is to offer him an urgent business deal: 50 million for a uranium purchase which, within a few days, should yield double that amount. Blinded by passion, Verdier accepts and "withdraws" the necessary sum from his bank. He soon realizes he's been duped. Karine is not Robert's sister and Robert is a crook. Verdier tracks them down.

1964 film by Sergio Gobbi

Aliens from the constellation Hydra crash-land on the island of Sardinia. A prominent scientist, his daughter, several young technicians, and a pair of Oriental spies are taken hostage by the beings so they can use them to repair their spaceship's broken engine. With that done, they take off towards their home planet, taking the earthlings with them. However, the humans attempt to mutiny against their captors, inadvertently sending their tiny spaceship hurtling into the infinite beyond...

Victor Le Garrec, a former boxer, runs a gym in Paris while dreaming of finding an aspiring champion who will reach the goals he was never able to achieve.