Brother-in-law! Today, we will do it for you. Good sisters comforting their lonely brother-in-law. Jinyoung and Chie, who each had their own circumstances and needed a place to stay, go to their sister’s house. Jinyoung, who was kicked out because of the cheating of her lover Jungmin, and Chie came to Seoul looking for a model job in Japan, her half-sister. Just in time, their older sister left the house on a business trip, and Hyung-jin, who will soon be her brother-in-law, welcomes you. Hyungjin has a lover who is so busy that even marriage has to be delayed. He and his two very sexy sister-in-laws start living together.