With Lucy about to leave home for university, she and her mother, Simone, depart the UK for a vacation to Texas to spend some quality time together. But when Simone awakens on their first morning in the desert, Lucy is gone. In her place is a cell phone, and a voice on the other line issues a shocking ransom demand. Don’t tell the police. Come to this location. And be prepared to do a deal. Though Simone’s husband urges her to bring in the authorities for help, she knows she can’t take any chances. So that night, she drives to the isolated meet-up. What she finds there changes everything. The mysterious kidnapper doesn’t want money. They want Simone to do something. The unthinkable. A catastrophic chain of events is set in motion, with chilling consequences that extend beyond Simone and her family.