Kanam, who has been dating her husband since she was a student and has lived a normal life for five years, is a bit dissatisfied with her lazy husband. One day, her husband accidentally meets a classmate he meets on social media, and the other members invite her to join a class reunion. On the day, the couple was invited to was Nakata's house, who lives on the top floor with a pool in a luxury apartment. Nakata, who was bullied by her husband when she was a student, had planned revenge at this reunion... and both husband and wife were forced to go to hell...