The house was inherited after the death of her husband's father and mother. On behalf of her busy husband, she helps her husband's younger brother, Young-jun, sell the house. While filming the house with the camera, Young-jun was joking around taking pictures of her brother-in-law, Nam-joo, who could not resist her sexual desire and had sex with her sister-in-law, and her body was gradually added to the things of the master who is different from her husband.