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.

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 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.

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.

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.

A veteran call girl and a runaway prostitute witness a murder which sends them on an out-of-control roller coaster ride through the twilight zone of sex-for-sale.

When Gabriel and Emilie meet by chance, he offers her a ride, and they spend the evening talking, laughing and getting along famously. At the end of the night, Emilie declines Gabriel's offer of "a kiss without consequences". Emilie admonishes him that the kiss could have unexpected consequences, and tells him a story, unfolding in flashbacks, about the impossibility of indulging your desires without affecting someone else's life.