Doro knows no higher authority than himself. An ancient spirit with boundless powers, he possesses humans, killing without remorse as he jumps from body to body to sustain his own life. With a lonely eternity ahead of him, Doro breeds supernaturally gifted humans into empires that obey his every desire. He fears no one -- until he meets Anyanwu. Anyanwu is an entity like Doro and yet different. She can heal with a bite and transform her own body,...

In a violent near-future, Asa Elias Doyle and her companions encounter an alien life form so heinous and destructive, they exile themselves in the desert so as not to contaminate other humans. To resist the compulsion to infect others is mental agony, but to succumb is to relinquish humanity and free will. Desperate, they kidnap a doctor and his two daughters as they cross the wasteland--and endanger the world.