Hyobi is a famous teen star on TV who has lived her whole life as her mama's doll. Suddenly, Hyobi's mother decides to send her back to high school on a whim. Hyobi feels lost in all this and she doesn't have a single friend at school. Then she meets a girl named Soyule, an outcast of the class, and Soyule's childhood friend Chanbi. Now, Hyobi feels drawn to Soyule and Chanbi, for they don't know who Hyobi is outside of school...