Jack Harlow, DarkWalker, walked untouched through the dark. But he never understand what he really was. Emerging from the Deep City a changed man, he's beginning to understand - but he's also harboring a great deal of anger at the organization that sent him there and the man in charge of it - his father.Gathering allies and setting out on a mission of vengeance, Jack Harlow discovers the fate of the world hangs in the balance. There are three threats...