Hélène, a woman living alone in a suburban house in 1976, is confronted by her past when her husband suddenly reappears after going away for a year and a half to write a novel.

"You are worse than her. You won't even give her a chance." "That's just it. Maybe she should have given it more thought. If we hadn't been born, she would have been free. She wouldn't have had to take off." "And we wouldn't have been there. Would you have preferred that?"

A young man of society wants to make an expedition to Africa, but his fiancée asks him for help about one of her fathers guests shortly before his planed departure. Her suspects about that guest were serious, this man tries to steal one of her fathers rubin, and she and her fiance are kidnapped and brought to a house, where strange things happen. The whole thing becomes a nightmare under the direction of a mysterious Mr. Satan.