Suitable Flesh (2023)
A married psychiatrist becomes obsessed with one of her young patients, to the point of having sex with him, and later discovers that he is linked to an ancient curse.
Actors: Barbara Crampton
Poison (2001) aka Thy Neighbor’s Wife
A husband makes his wife screw his client for a business deal. When his boss betrays him by firing him, he commits suicide, and his wife seeks revenge.
Body Double (1984)
A guy finds his girlfriend riding a guy in bed upon coming home. He, in turn, makes out with another guy’s wife later.