There is no greater trust than the one between Kirstie and her horses. Kirstie Scott adores all of her horses, but Lucky is her favorite. She is devastated when Lucky suddenly falls ill and no one can figure out what's wrong with him. Desperate for answers, Kirstie takes Lucky deep into the Rockies to find a reclusive but legendary horse doctor before she loses her beloved friend. Will this mysterious doctor be able to save Lucky? Or will Kirstie...