Eternal night descends, and grotesque monsters run rampant, forcing humanity to cling to survival inside the safety zones. Young Cheng Xinyu awakens Sequence 000, Devourer's Domain, and becomes the masked hunter Joker, fighting for his life in the darkness. He uncovers the dark secret of the Seven Great Families sacrificing humans to false gods, drawing the frenzied pursuit and slaughter of the powerful and their divine servants. Fighting alongside his companions in a bloody battle, he slays the false gods and breaks free from the cage, welcoming the first light of dawn. Together, they venture into the outside world to uncover the truth about the world.