Following their parents' bitter divorce, Rachel and Adam are sent from their New York home to stay with their grandmother. But the quiet English village where their mother was born is a sinister and unsettling place. Is there a genuinely dark heart beating beneath the thatched roofs of the picturesque village of Triskellion? Against a brooding background of very real danger, the two young outsiders follow an incredible trail on an archaeological adventure with a startling paranormal twist. In a community where many terrible secrets lie hidden, the villagers of Triskellion have a great deal to protect.