Min Ri (You) met Yesung when she's nine years old, when she's lost. Though it seems like a small incident, she have already handed her heart to him, when he comforted her. Ten years later, they went to the same school which is a distinguish school for the arts. Yesung was already a famous singer, and currently a member of a first-rated boyband, Super Junior. Min Ri is a student studying classical dance. But an opportunity strikes when a selection of cast for the school's anniversary musical a