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 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 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.

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.

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

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

Fred arrives at the doorstep of his beautiful young mistress Velvet after four years apart, claiming to have finally left his wife. But when she rejects his attempts to rekindle their romance, his persistence evolves into obsession — and a dark history between the former lovers comes into focus.

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.

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.

Rei is a college student in the midst of finding a job. She confesses her love to Mikio, a senior whom she admires. Mikio soon demands that she perform perverted acts.

On a Tuesday night, five couples have separate sexual adventures. Matt and Kris, friends for years, want to have an only-once, no-strings good time. Abby and Andrew, married, celebrate his birthday, but it's marred by angst and miscommunication. Mia and Eric are exes, making sure they are over each other. Jaime and Ken work together and this is a first date. Inez and Gord invite his roommate, Dave, to join them. By the time each couple has gone through a prelude, foreplay, sex, an interlude, orgasm, and afterglow, they've answered basic questions: can sex be anonymous, are we bored, is our marriage really finished, does anyone tell the truth, and how do we make someone happy?

Because of her past, 17-year-old Rio lives her days filling the emptiness in her heart with money—until one day, she meets a university professor named Kouki and falls in love.

A weekend get-away for two lovers turns into a nightmare of psychological mind games when their infidelity is discovered.

Restless and unhappy, two couples get caught up in infidelity and deception. Barry is a sullen businessman married to Mary, a writer who is unsatisfied with their relationship. Mary begins an affair with Jerry, a smug theater professor and husband of her friend, Terri, who is also a writer. Adding to the adulterous mix are Cary, a callous doctor, and Cheri, an art-gallery assistant.

On a steamy New Orleans afternoon, Sam Deuprey decides to surprise his beautiful wife, Ashley, for their anniversary and comes home early. But Ashley is not alone in the bedroom. She and her lover, Damien are about to learn how far a jealous husband will go.

A suburban architect loves his wife but is bored with his marriage and with his work, so he takes up with the neglected, married beauty who lives down the street.

A man in his mid-20s, still living at home with his mother and stepfather, puts all his eggs in one basket: the girl who works at his local coffee shop. The problem is, she has a serious boyfriend. As they become closer, the line between friendship and intimacy is blurred, and the situation forces both to examine where they are in their lives.