A valuable painting has been stolen from an art gallery in Paris.. On a train travelling between Paris and Rome, Zutra, a mysterious and sinister character, tries to find the stolen painting.
Laurangeais stays in a nursing home after his wife dies following an accident caused by Terrian, his adopted son. When he leaves he finds Terrian who is going to get married. He drags his future wife into a cabin and kills her.
Daniel Gelin and Juliette Faber star as a blissfully happy honeymooning couple. They are so happy that they arouse the jealous attentions of Satan. The Dark Prince sends an emissary to beak up the romance, but his advocate is promptly challenged by a representative from "up above."
