The series centers on Goo Jae-hee, a Korean girl who lives in the United States. One day, she sees a track and field competition on TV, and becomes inspired by a gold medalist high jump competitor, Kang Tae-joon. She begins to idolize the young athlete but Tae Joon suffers an accident that could potentially end his career. Therefore, to see Tae-joon jump again, Jae-hee disguises herself as a boy and attends the same school as Tae-joon.   Characters~  Goo Jae Hee~