Gyakukōsen

When a happily married family man, who would never consider an affair, meets a beautiful woman in red, he is totally infatuated and desperate to make her acquaintance. However, as he tries out various schemes to sneak out to meet her, he realizes that adultery is not quite as easy as it looks.

When a young man learns that his overbearing father is having an affair, he tries to stop it, only to be seduced by the older woman as well.

A New York suburban couple's marriage goes dangerously awry when the wife indulges in an adulterous fling.

A veteran high school teacher befriends a younger art teacher, who is having an affair with one of her 15-year-old students. However, her intentions with this new "friend" also go well beyond platonic friendship.

Two lifelong friends navigate complex sexual encounters and emotional entanglements, wrestling with societal norms and personal desires.

A young writer begins an affair with an older woman from France whose open marriage to a diplomat dictates that they can meet only between the hours of 5 p.m. to 7 p.m.

A grandmother has a passionate affair with a man half her age, who is also sleeping with her daughter.

Cooper is an actor who sees life as one big party, while Ed is in advertising and takes life too seriously. When Ed gets stressed over a deadline he has to meet, his brother Cooper works hard in trying to get his brother hooked up with a girl, thus a long weekend of stress and beautiful women, culminating in Ed meeting, and making love to, the woman of his dreams.

Ironworker Nick lives with his wife, Kitty, and three daughters. When he meets a significantly younger woman, Tula, he starts an affair with her, much to the chagrin of his wife, and his life is thrown into upheaval. Kitty kicks Nick out of the house, and he is forced to make some difficult decisions.

Lu, a conformist woman in her forties, learns that her 15-year partner has been having extramarital affairs. Starting from scratch, she gets involved in an unexpected relationship with a young womanizer.

When Larry and Maria learn that their respective spouses are cheating on them, they try to turn the tables on them by pretending to have an affair. However, they soon find themselves falling in love.

A failed novelist's inability to pay the bills strains relations with his wife and leads him to work at an escort service, where he becomes entwined with a wealthy woman whose husband is a successful writer.