Invisible Man: Rail! (1978)
1978A horny scientist who is married to a hot wife and lives with his virginal step sister invents a drug that can make him invisible. Erotic high jinks ensue.
Cheating Wife
Sister, Friends (2016)
2016A wife lets her first puppy love from the countryside stay in her house when he comes to take the college entrance exam. When things go bad between her and her cheating husband, she has sex with him.
Marguerite & Julien (2015)
2015A young wife cheats on her husband with her brother.
Playing for Keeps (2012)
2012Soccer moms cheat or attempt to cheat with their kids’ new soccer coach. Plus, the soccer coach’s ex cheats on her current fiance with him.
Eden (TV Series) (1993)
1993Eden is a popular resort where stories of infidelities happen, like a shared wife who falls in love with the resort’s pool boy, or a chick who makes love to her ex-husband to make her current boyfriend commit to her, etc.
Cold Spring (2004)
2004A daughter who has a falling out with her mom and dad asks her ex-lover to seduce her mom so that the latter can be manipulated into signing a business deal.
The Lickerish Quartet (1970)
1970A jaded, wealthy couple and the wife’s adult son invite a circus daredevil woman into their home after they saw him in an adult movie. The woman ends up seducing each of them.
Manuela (1976)
1976A wife has sex with her stepson while her husband is staying long-term at the hospital.
Viva l’Italia (2012)
2012A man comes home from work and finds his wife cheating on him.
Salesman (Short) (2017)
2017A newly married salesman comes home to find his wife cheating on him. Then he plots revenge.