A fictional retelling, from the point of view of Annie Bronn Johnston, of how this Nevada woman fought to protect the American wild horse, the mustang, from extinction because of professional killers who chased the horses for use in dog food.
When competition for lucrative prizes ranging from money to placement on the Olympic Team escalates to the point where one desperate participant drugs horses at the River Heights Horse Show, Nancy, Bess, and George track clues to identify the culprit.