Xiu Guang, an underground young man with the ability to withstand radiation, led his people to escape from the prison "Iron Cocoon City". However, monsters and beasts are rampant in the surface world, and the human race is barely surviving. In order to survive, they got involved in the war between the tribe and the monsters, and the team fell apart. Xiu Guang was seriously injured and drifted, and his companions were either used as medicinal materials for refining the "human elixir", or wandered in despair, and in a corpse, an ancient soul that overturned the world awakened...
