Unable to explain the origin of his extensive encyclopaedic knowledge, the skills he has acquired, and the memories of places he has never visited, tormented, pill-popping Evan McCauley has been plagued by strange, vivid hallucinations all his life. On the verge of a mental breakdown, Evan finds himself caught in the middle of an aeons-long confrontation, as the Believers and the Nihilists, two groups of the gifted Infinites--extraordinary people blessed, or cursed, with the rare gift of reincarnation--vie for power. Now, the Nihilists' feared leader, Bathurst, seeks to end all life on Earth. Is Evan a part of the Infinites' master plan? Above all, are one's fragmented memories evidence of multiple past lives?