The boulders - a fabulous mansion built into and around a massive hillside on the Arizona desert houses an unspeakable horror. Joy and Skye Windthorn, with their two children are due to arrive at that house within a few hours. But before they do, a low, desperate cry plunges them into its maze of kidnapping, murder, illegal aliens, and drug running. Treachery and fear surround them a the Boulders and only God can bring them our alive.