Global catastrophe and radiation are raging, but Jiang Shuo accidentally binds the only doomsday shelter. When the survivors were fighting for their lives for a biscuit, he was studying soilless cultivation in the automatic planting area; when the bosses occupied the abandoned supermarket and became king, he silently upgraded the laser defense matrix. Some people laughed at him as a mouse who dared to huddle in an iron shell, until the beasts engulfed the city, surrounded by tens of millions of mutants, and a purification barrier covering the entire city lit up behind him. It turns out that the thing you fought so hard for was just the trash can in front of my house.