Welcome to Bridge City, in what was once Arkansas : part medieval fortress, part Western outpost, and the precarious last stand for civilization. A ten-year-old prodigy when the world ended, Gus is now a battle-hardened young man. He designed Bridge City to protect the living few from the shamblers eternally at the gates. Now he's being groomed by his physician mother, Lucy, and the gentle giant Knock-out to become the next leader of men. But an army of slavers is on its way, and the war they'll wage for the city's resources could mean the end of mankind as we know it. Can Gus become humanity's savior .....