A self-assured businessman murders his employer, the husband of his mistress, which unintentionally provokes an ill-fated chain of events.
- Genre: Crime, Drama, Thriller
- Studio: Nouvelles Éditions de Films (NEF)
- Keyword: paris, france, car race, suicide attempt, camera, hearing, arms deal, blackout, suspicion of murder, motel, suspicion, defense industry, fake suicide, microfilm, photographic evidence, photography, secret love, film noir, french noir, elevator
- Cast: Jeanne Moreau, Maurice Ronet, Georges Poujouly, Yori Bertin, Lino Ventura, Iván Petrovich