Brother in law Who Secretly Inserted His Sister in law

Mi-ae, a married woman who has an insatiable sex drive, demands sex from her husband, Gi-seok, day and night. Exhausted by his wife’s unmanageable sexual desire, Gi-seok starts to refuse at some point. As a result, Mi-ae meets her close friend Jeong-ah and asks her to introduce her to another man. Meanwhile, Gi-seok, who was in a relationship with Jeong-ah before marriage, contacts her and begins to meet her secretly.