Disc 1
1. Sound : Dolby Digital 5.1 / DTS
2. Commentary

Disc 2 : Special Features
Making Film
Making Docu
Pre-production
Birth of the Horse
Interviews
Deleted Scenes
Trailer
Music Video
Premiere

Si-eun (Im Soo-jeong) who was born at a ranch in Jeju Island, had a special friendship with a horse named Janggun ( "General" in English). Janggun died when she gave birth to Cheondung ("Thunder" in English), who grows up with Si-eun like real brother and sister. Lump sugar is the horse`s favorite snack and a special medium of love between them. Since
Cheondung is sold abroad, they are separated. Two years later, Si-eun, who hopes to become a jockey, meets Cheondung again...