An erotic film about the relationship between a father-in-law and his daughter-in-law. Bak-gi is a man who endures the sorrow of losing his wife and son every day. His daughter-in-law, who lives separately, visits him after a long time, but Bak-gi, who always thought of it as a mishap caused by her daughter-in-law’s mistake, covets her and dreams of coveting her even if she is her daughter-in-law. In the end, Jin-hee knows all the facts and plans to indirectly seduce Se-yeon to drive her into the room, plotting to break her relationship with Jin-mi. However, Jin-hee is also attracted to Jin-mi’s ex-fiancée, Eun-gook, who has a big age difference and calls her father, and she approaches Jin-hee in his room and shares her love.