Françoise has gone into business seducing men whose wives want to divorce them, and who need incriminating evidence against them. In addition, she has a little blackmail operation going on on the side with politicians who can't afford a scandal. She got started on this business after she was raped, and hasn't looked back since. Now the police are on her trail, and she avails herself of the services of a couple who make a profession of hiding wanted criminals. At the hideout, she meets Simon, a second-generation mobster. As the police close in, Françoise and Simon go on the run together, pulling off occasional heists for operating money. Before long, they have also fallen in love.

When an American tourist is murdered in the south of France, the police must investigate. In this movie, the police inspector re-creates the girl's journeys through France until the murder is solved. Suspicions are narrowed down to four possible perpetrators early on, and flashbacks illuminate the roles each one played in the girl's vacation.