Toi, le venin

Toi, le venin aka Blonde in a White Car US title Nude in a White Car UK title Night Is Not for Sleep is a 1958 French crime drama film directed and written by Robert Hossein, based on novel Cest toi le venin... by Frdric Dard. The music score was by Andr Hossein. The films tells the story of a young man who have affairs with two sisters.

Source: Wikipedia