After the Great Dustfall, cities lie in ruins. Writer Chen Mo and the girl Lin Xia struggle to survive in the apocalypse. They evade mutated beasts and pursuing raiders, then meet Old Dao and others in a desperate situation. Together, they set out for the legendary northern outpost. But conspiracies lurk behind its high walls, while the Vulture Gang closes in at every turn. Forced to take up arms, Chen Mo protects his companions amid the conflict between humanity and slaughter, and kindles hope in the depths of despair.