The Strange Vice of Mrs. Wardh (1971)
1971While a serial killer is on the loose, a wife who feels unsafe would rather be with her lover and making love to him than be with her husband.
giallo
A Black Veil for Lisa (1968)
1968A husband hires a hitman to kill his wife whom he suspects of cheating, but the hitman himself starts an affair with the wife.
Your Vice Is a Locked Room and Only I Have the Key
1972A niece has lesbian sex with her aunt to make her relax since she thinks that her husband is trying to kill her. Then, she also has sex with her uncle because, well, as her uncle would put it, she’s just a real little whore.
So Sweet… So Perverse
1969Jean, a rich Parisian socialite, comes to the aid of a frightened young woman (Nicole) who is under the domineering control of her abusive boyfriend, Klaus. Although married, Jean develops a romantic relationship with Nicole. However, he may have gotten himself involved in more than he bargained for.
The Case of the Bloody Iris – Edwige Fenech
1972A wife leaves her husband’s cult because she got tired of orgies and getting shared with other men.
All the Colors of the Dark (1972)
A common-law wife gets raped in a satanic ritual. It seems to solve her sexual problem so she comes back and lets the cult leader screw her again.
The Killer Is on the Phone (1972)
A wife who has amnesia can’t remember her current husband but clearly remembers fucking her lover.
Trhauma (1980)
Among a group of friends, one husband blackmails the wife of another for having some lesbian action with his own wife.