 As the story goes, Yoon-jeong's mother doesn't let Yoon-jeong go out after she was greatly embarrassed in the public place by her and Woo-kyung.Woo-kyung goes to Yoon-jeong's house, firmly saying that he doesn't want Yoon-jeong to go to anymore dating.Yoon-jeong then asks her older sister Yoon-ji what she did so that she could get their mother to let the older sister to marry.