Junho and Jungkook are friends. They each live with their mother. One day, Jun-ho goes to his friend's home to meet Jung-kook's mother Mi-jeong. However, she falls in love at first sight with her younger and more beautiful figure. Mi-ho, who has lived alone without her husband, falls in love with Junho. Meanwhile, Jungkook is going to have a wild conversation with Junho's stepmom Yujeong whom he met with a chat application and feel her actually...