17 year old Savannah Fair lives in Opal, Wyoming on her father's ranch, Whisper Creek. After some ranch hands quit and ranch productivity slows down another blow hits the family ranch. Wild mustangs that live on the ranch start disappearing in very mysterious ways. When everything was looking it's worst, Beau Bolluck moves to town. Beau gets hired to work at Whisper Creek and becomes fast friends with Savannah. Will the two new best friends be able to find out what's wrong with the beautiful wild horses and save them? And in turn, save each other?