Choi Yoojung, a small girl with six annoying friends, Mina, Sejeong, Nayoung, Yeunjung, Jieqiong and Somi, who always seem to give Yoojung bad luck or traumatic experiences. Kim Doyeon, a tall girl who only had one friend named Kim Sohye. She was the star student, a cheerleader and had the looks of a goddess. But, Doyeon's life always seems to be lacking something, until she saw an adorable girl in the Emergency Room.