Eun Hee and her older brother Changsub now live on their own. A while ago, their mother died and their father left them without thinking of how they'd be able to support themselves. Changsub automactically has to take the lead and decided to quit school to work and support himself and Eun Hee. Both Eun Hee and Changsub move to a new place to try to start their life over again. One day at school, Eun Hee runs into a new boy. Wu Fan. Plus she meets the rest of his friends, Exo. She has absolu