Min-seo, who had a quarrel with her husband, stays at the house of her divorced friend So-yeon. While So-yeon is busy in bed with her boyfriend Jun-seok, Min-seo hangs out with their friend Dong-wook. She teaches him how to apply a face mask on his face and they have a session together, and this leads to them making love. When Min-seo goes home to pick up some of her belongings, she meets her husband's lover. She cries in pain and decides to live freely and enjoy life. Four people, So-yeon, Min-seo, Dong-wook, and Jun-seok live together and enjoy their relationship freely.