In a small Wyoming town, spirited thirteen-year-old Shelby Lee is forced to flee when the woman she believed to be her mother dies, leaving her in the care of her abusive stepfather, Jack. After discovering she was kidnapped as a toddler, Shelby Lee sets out to find her birth mother on an epic journey across the country. But Jack will never let her go free-and she knows he'll hunt her down no matter how far she runs.