14-year-old Geum Eun-dong (Kim Ki-bum) is in love with Lee Tae-ri (Park Ye-jin), a well-bred heiress who is seven years older than him. Eun-dong's wish is mysteriously granted when he wakes up to find he has become a handsome 25-year-old man — the perfect contender. As Tae-ri's new assistant, Hwang Min-soo, he learns of Tae-ri's heartbreak and discovers that not everything is as it seems in her picture-perfect life.
