Love at the Top (1974)

Everything is about to change in the uneventful life of Nicolas Mallet--a discreet, introverted bank clerk who is as meek as a lamb--when he decides to follow the bold advice of his old school friend, Claude Fabre. From now on, Nicolas must throw off his shackling inhibitions and act out his most intimate desires. Now, there is no turning back, and unstoppable Nicolas is bent on seducing as many women as possible to grease his path to success. However, nothing lasts forever. Must all good things come to an end?