In a parallel world in the future, the third nuclear war breaks out, modern civilization is destroyed, and the surviving humans struggle to survive in this wasteland.
At the same time, mutated organisms, high radiation, high temperature areas, severe cold areas, etc. have seriously affected human survival.
In such an environment, Lin Yu traveled through time and gained all the knowledge about the world of Dyson balls. Starting from an abandoned shelter, he gradually managed his own three-acre land.