Beautiful young housewife Séverine Serizy cannot reconcile her masochistic fantasies with her everyday life alongside dutiful husband Pierre. When her lovestruck friend Henri mentions a secretive high-class brothel run by Madame Anais, Séverine begins to work there during the day under the name Belle de Jour. But when one of her clients grows possessive, she must try to go back to her normal life.
Enigmatic gangster Silien may or may not be responsible for informing on Faugel, who was just released from prison and is already involved in what should be a simple heist. By the end of this brutal, twisting, and multilayered policier, who will be left to trust?
Lola Montes, previously a great adventuress, is reduced to being the attraction of a circus after having been the lover of various important men.
