Legendary as one of America's greatest horse tribes, the 21st century Nez Perce decided to bring horses back to their land and lives with the unlikely help of a charismatic Navajo horseman, Rudy Shebala. His mentorship guides at-risk teenagers toward the strong medicine of horses, and his equine skills bring historic Nez Perce horse culture to modern renown. But his personal demons imperil both accomplishments.