Ji Sun Woo is an associate director of a family clinic with a perfect life—a great career, married to a handsome, young-looking man, mother to an adoring son, and surrounded by seemingly caring friends. She couldn't be more content. Lee Tae Oh, her husband, is an aspiring movie director. However, when his temptation leads him to betray Sun Woo along with the people around her, she gets driven to revenge. The perilous twists-and-turns of a married couple's life unfolds.
The emotional effects of an extramarital relationship between Noah, a New York City schoolteacher and budding novelist with a wife of twenty years and four children and Alison, a young waitress and wife from Montauk at the end of Long Island, trying to piece her life back together in the wake of a tragedy.
A woman puts everything on the line to achieve her goal of being able to move into a luxury penthouse in the Gangnam District. In the process, she gradually finds herself turning into a monster.
A woman suspects her husband of having an affair. After following several lines of enquiries far more unravels including a streak of violence below the surface.