A sudden storm causes an landslide which traps Kirstie Scott in Dead Man's Canyon with a herd of wild horses, but when she sees that the herd's leader has been injured Kirstie races to find a safety, and a way to help the injured stallion.
Kirstie Scott, devastated when her favorite horse, Lucky, becomes ill, embarks on a journey deep into the Rocky Mountains to find a reclusive but legendary horse doctor, hoping he might be able to help.
When a guest at the Half-Moon Ranch in Colorado becomes injured while riding a horse named Johnny Mohawk, thirteen-year-old Kirstie must prove the horse's innocence to prevent a costly lawsuit.
When Crazy Horse and Cadillac, two very different but inseparable horses, go missing from the Half Moon Ranch in Colorado, thirteen-year-old Kirstie tries to recover the stolen animals.
