The twin sisters are played by the real-life American twins Denise and Diane Sloan. Monsieur Mendel, a rich businessman, has retired to Italy where he enjoys sailing. His secretary “takes…

D’un côté, il y a des jeunes filles riches, belles, insouciantes qui partouzent à la moindre occasion dans des clubs à la mode, en limousines ou chez elles entre amis….