The world has ended and advanced technology is a relic of the past. In spite of his illness, Xiaosu hunts everyday, fighting to support himself and his brother Liuyan. But one day, Xiaosu is granted access to a palace. It presents quests that, when completed, grant Xiaosu greater strength and skills. As he grows stronger and sees more of his wasteland world, Xiaosu wonders: can the powerful and the powerless ever be equals?