Having narrowly escaped death at the hand of Damien Cutler, Kara Nichols and Christian Hunt find themselves facing another dangerous threat looming in the dark jungles of Guatemala. With new allies, they battle for their lives against terrifying mercenary hybrids, hungry predators, and a growing army as they try to save an ancient hybrid civilization from annihilation. Can they survive the inevitable war? Or will they all fall at a traitor’s hand?