Min-ji has had a crush on her brother-in-law who was her tutor for a long time. She seduces his brother-in-law, Jeong-hyeok, but he doesn't easily fall for it, so she takes special measures.

Mi-jeong works in a company and she's an elegant and formal elite career woman. Hyeon-seok, her husband, is proud of her and loves her, but he's submissive to her at night, so some times he ...