La peccatrice (1975) aka The Sinner
1975A black beauty cheats on her boyfriend with the rich owner of the mine that he’s working at, and then she cheats on the mine owner with his son.
Cheating Mistress
Moebius (2013)
2013A son bangs his father’s mistress and his mom gives him a hand job and would have had sex with him had his father not stopped it.
The Leading Man (1996)
1996A playwright is in love with his mistress, a stage actress. An American actor offers to seduce his wife so that she can divorce him without too much heartache. Trouble is, the actor also seduces the playwright’s mistress and goes as far as petting with her on the bed.
Mister mo, lover ko (1999)
1999A boss’ mistress fucks her male best friend. Plus, the boss’ wife starts an affair with her personal driver.
The Dark Room (1982)
1982A son bangs his father’s mistress.
Deep Jaws (1976)
1976A film producer’s mistress and wife both cheat on him.
Wife on Vacation… Lover in Town (1980)
1980A husband sends his wife off on a skiing holiday so he can spend time with his demanding mistress, but little does he suspect that his wife is also going to have a rendezvous with her lover.
Les charnelles (1974) aka Sins of the Flesh
1974A mentally unstable, impotent and spoiled son of a businessman convinces a young thief to seduce his stepmother to blackmail her for money. He also watches his dad’s mistress pleasure herself just before his dad arrives.
Family Practice (2019) aka Sohn meines Vaters
2019Simon has a love-hate relationship with his father. When his parents go on holiday, Simon initiates a seductive game of cat-and-mouse with his father’s mistress and gets disastrously tangled up in the sticky family network.
Kama Sutra: A Tale of Love (1996)
1996A king’s courtesan cheats on him with his commoner friend (who is also her ex) and a doctor gets to grope the queen’s breasts and his finger sucked by her in front of her husband.