Arguments, The Doldrums, Boredom... When Things Started To Go Wrong With Our Marriage, I Began To Become Attracted To My Little Sister-In-Law While My Wife Was Committing Infidelity, And Then We Fell In Love And Committed Forbidden Adultery Yumer - Yume Kotoishi

The movie revolves around a married couple experiencing marital problems, including infidelity. The husband finds himself drawn to his younger sister-in-law, Mengliu, who is kind and caring towards him. As they spend more time together, they develop feelings for each other and start an illicit affair. The story explores the complexities of their relationships, the moral implications of their actions, and the consequences of their choices. The central dramatic tension lies in the forbidden nature of their love and the potential repercussions on their family dynamics.