Baek Dan-ha became the daughter-in-law of Geumjang through a marriage arranged for her. One evening, after hearing the words of her brother-in-law Seomun Yoo-Seung, she went to the separate house—only to catch sight of her husband’s immoral actions. "Sister-in-law, don’t you want to take revenge on your husband?" Seomun Yoo-Seung approaches her quietly… after presenting her with such a peculiar suggestion.