The daughter of a poor rancher, Si-Eun only hopes to become a horse jockey. With her mother passing away on her birth, her favorite horse 'Chun-doong' has become not only her friend, but a soul mate. Her life is devastated when 'Chun-doong' is sold to another owner, but two years later, they reunite by sheer coincidence. Now they have a chance to create a miracle by teaming up together in a horse race.