Yun Hee has never had a first love before and when she bumps into a guy that she thought she'd never see again, her life completely turns around. Love finds it's way when she least expected it. She begins to have feelings for Dong Young Bae but he is not who he says he is. And someone ends up getting hurt. Yun Hee has no experience at all in being in a relationship and for the first time she opens up to him and becomes a whole different person.