The Stud and the Nympho (1980)
1980A husband’s mistress starts going out with two guys to make him jealous.
did she cheat or not
Secret: A Wife’s Man
2015A husband comes home to find his wife sitting too close to a man she calls her “father”.
Double Impact
1991A jealous guy imagines that his twin brother is fucking his girlfriend on a boat.
Almost
1990Romantic comedy that mixes magical realism with traditional Australian urban-outback contrasts. The plot centers on a bored woman (the eponymous Wendy) who conjures up the perfect lover, Jake, while her husband is out on the road suffering comical mishaps.
Wife Watching (2014)
2014A wife joins a bird-watching club and cheats with one of the members. The club might be interested in watching something other than birds, too.
Over the Edge (aka Over Kanten)
2012Is a computer developer just imagining that his fiancee is falling for the handyman he hired to repair their house?
The Killer Is on the Phone (1972)
A wife who has amnesia can’t remember her current husband but clearly remembers fucking her lover.
Thinner (1996)
A guy is cursed by a gypsy and he has to pass the curse to someone so that he will be freed from it. The one he will choose will die, of course. So he passes it on to his wife, whom he suspects of cheating on him.
Head Above Water (1993) aka Hodet Over Vannet
Lene’s ex-lover drops by while her husband is out on an overnight fishing trip. They have a drink and in the morning he is lying fully naked on her bed while she wakes up on the couch fully clothed. Did she fuck him last night?
Brothers (2004) aka Brødre
A wife thinks her military husband died in Afghanistan and makes out with her brother-in-law on her birthday. Her husband returns and becomes paranoid, asking her if she fucked his brother while he was gone and presumed dead.