The author tells, from the point of view of Annie Johnston, the story of this Nevada woman and her fight to protect the American wild horse, the mustang, from extinction because of professional killers who chased the horses for use in dog food.
Sham and the stable boy Agba travel from Morocco to France to England where, at last, Sham's majesty is recognized and he becomes the "Godolphin Arabian," ancestor of the most superior Thoroughbred horses.
Twin brothers, Justin and Joey, buy and raise a pony of their own but when the pony foals they find themselves responsible for the care of a whole new pony family.