In 2999, the old world has fallen. Zombies and mutated beasts roam the wasteland. Inside humanity’s last sanctuary, society is sharply divided: the upper district controls advanced technology and people with supernatural abilities, while ordinary people in the poor district struggle at the bottom. The young Li Jie and Wang Xinyu, a girl, rely on each other to survive amid utter desperation. Facing the deadly threats beyond the walls and the law of the jungle within them, they set out on a thorny path, determined to survive and protect each other in this vast cage at the end of the world.
