After turning himself in, a brilliant fugitive offers to help the FBI bag other baddies, but only if rookie profiler Elizabeth Keen is his partner.

A young boy learns that he has extraordinary powers and is not of this earth. As a young man, he journeys to discover where he came from and what he was sent here to do. But the hero in him must emerge if he is to save the world from annihilation and become the symbol of hope for all mankind.