In Paris, Lulu, a passionate policeman, works with the faith of a rookie, despite the sclerotic bureaucracy and the incompetence or negligence of some of his colleagues. In his new position as a narcotics inspector, he tries to keep his sanity as he witnesses the worst of the human condition.
A drunken, self-destructive woman called Betty wanders into a Parisian bar where she meets middle-aged alcoholic Laure. Laure decides to take care of Betty. Recovering in a hotel room, Betty begins to recount to Laure the story of her bourgeois life and her unhappy and unfaithful marriage.
In this village, French are much more victims of their fellow countrymen than they are of the occupying forces.