The film Son, This Is Not It (2021) is a South Korean drama that explores the complex and often tense boundaries of family and desire.
The story follows a young man who finds himself in an increasingly uncomfortable and sexually charged living situation. The central conflict arises when he becomes entangled with a woman close to his family—typically portrayed as a stepmother or a father’s partner—leading to a series of secret encounters. As the title suggests, the narrative focuses on the moral dilemmas and the "wrongness" of their blossoming relationship, often contrasted against the domestic expectations of a son's role in the household.
Please note that this film belongs to a specific genre of Korean adult cinema known for its "UNRATED" or provocative themes, often found on niche streaming platforms rather than mainstream theatrical releases.