When just a child, Lewis is nearly killed in a fire. It is then that he first discovers that he has a secret guardian-a giant, horrifying creature that only he can see. Now grown, Lewis lives away from town, his unseen guardian always with him, keeping him on the periphery of society, serving a penance for a sin he didn't commit and doesn't understand. When tragedy threatens to strike a busload of school children, Lewis makes a decision that has unintended...