Madeline Alleyn is a successful professor of Celtic history, but she's haunted by her past. When she discovers that she's carrying triplets, she runs to protect them. Now, after nearly eighteen years of vigilance, the destiny from which Madeline has tried to escape catches up with her. Her daughters are developing psychokinetic powers. Is their fate tied to ancient stone tablets discovered by their mysterious grandmother? As they seek answers, they have to escape a murderous attempt to negate an ancient prophecy and solve the riddle of the Stones of Sumer, a mystery with startling implications for the origin of Stonehenge and the world.