Sylphid is a horse born on a small horse ranch. Even though he is named after the fairie wind he must overcome the handicap of having been born with tendonitis of the leg, and the loss of his mother during his birth. Hayao; the young boy who loves horses, is determined to see Sylphid grow up healthy and become a top racer like his mother once was. However, the odds are stacked against the orphaned foal and the young boy.