Ji-yeon is a girl who loves dancing, but lacks the confidence to dance in front of others. When her parents' friends come to visit them, their son, Soon-young (Hoshi) decides to help Ji-yeon.

Min Yoonji has the ability to see a reflection of the past. Together with her friend Wonho and her brother Yoongi, she tries to discover what happened to their father 20 years ago. They soon find similar events and a popular guy at their university, Park Jaehyung, appears to be