The Swinger (1972)

A businessman leaves his country home, and wife and young son for a business trip to Paris. While there he develops a sexual and spiritual bond with a call girl.

The dawn of the 20th century: L’Apollonide, a luxurious and traditional brothel in Paris, is living its last days. In this closed world, where some men fall in love and others become viciously harmful, the women share their secrets, their fears, their joys and their pains.

Isabelle, a 17-year-old student, loses her virginity during a quick holiday romance. When she returns home, she begins a secret life as a prostitute for a year.

A good-looking but naive lad leaves his mountain village to try and make his way in Paris. He thinks maybe he will try acting but things don't go too well for him. Eventually he is forced to sell himself to men and though he meets an attractive girl she is herself a prostitute with a vicious pimp.

Gilles, who operates a money losing garage, teams up with his friends Max, who operates a scrap yard, and lawyer Xavier to open a brothel catering to women. They get the idea from Gilles' secretary Irma, a former prostitute. They are assisted in the implementation by Max's wife Juliette and Sabine who is mad for Gilles. Unfortunately Gilles has fallen for Florence the daughter of the conservative Prime Minister and his wife. When the Prime Minister tries to shut down the brothel Gilles decides to stand against him in the election.

A failed novelist's inability to pay the bills strains relations with his wife and leads him to work at an escort service, where he becomes entwined with a wealthy woman whose husband is a successful writer.

Alice, a perfect wife and mother, lives happily with her husband and child until the day she discovers he is living a double life that has ruined her financially and left her a single mother. Alice fights back and dives into a world beyond anything she has ever known.

A Paris police detective plays rough with a prostitute and her pimp/lover, whom he wants as an informant.

Sophie, a quiet and shy maid working for an upper-class French family, finds a friend in the energetic and uncompromising postmaster Jeanne, who encourages her to stand up against her bourgeois employers.

As a top student at St. Adeline's Catholic Boarding School, Zoe senses that something is not quite right about the school's new nun-- a sense proven to be true when it is revealed the "good' nun is an imposter with a fatal attraction to Zoe's brother.