In the desolate world after the nuclear war, Chinese survivors rebuilt six major areas under the leadership of the three major military factions. Within the high walls are isolated islands of human civilization. In the face of external threats and internal power struggles, the three major factions are undercurrents, and Lin Wei, an orphan in the refugee area, becomes the key to changing the rules of the game. Lin Wei finally re-establishes order on the ruins of doomsday, and everything has to start over...