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.
An art dealer wants to buy a Modigliani, which is tattooed on the back of an old soldier.
During World War II, an innkeeper vows to abstain from alcohol for the sake of his family. Years later, as they thrive in Normandy, his resolve is tested by a charming advertising professional who loves to drink.