Will Smith stars in a sci-fi thriller from the director of Constantine--I Am Legend. After a biological war, Robert Neville is the last healthy human living on Earth, but he is not alone. The other humans have become vampire-like mutants, and all are hungry for Neville's blood. By day, he is the hunter, stalking the sleeping undead through the abandoned ruins of civilization. By night, he barricades himself in his home and prays for the dawn.