Roman de Gare (2007) streaming

Crossed Tracks is a 2007 French film directed by Claude Lelouch. The film follows a novelist, her ghost writer, and a wayward young woman as a chance encounter at a rest stop interrupts the delicate balance of their lives. Wikipedia
Cast
Fanny Ardant (Judith Ralitzer)
Fanny Ardant
Judith Ralitzer
Audrey Dana (Huguette)
Audrey Dana
Huguette
Dominique Pinon (Pierre Laclos)
Dominique Pinon
Pierre Laclos
Zinedine Soualem (Le commissaire)
Zinedine Soualem
Le commissaire