When 13-year-old Samantha returns home to her family's cattle ranch in Nevada, she's worried. She moved away two years ago to recover from a bad fall off her beloved mustang, Blackie, and she's still not sure she can get back in the saddle. Her new colt doesn't seem to like her, and the other ranchers treat her like the boss's spoiled daughter, and Blackie has been missing since that fateful day. But that's just the beginning. When Sam suddenly finds...