Meng Fan is a worker in a machine tool factory, and he lives a repetitive and boring life every day. However, all this changes with the arrival of an asteroid. The speed hit the earth, so large-scale tsunamis, earthquakes, volcanic eruptions, and acid rain followed, and nearly one billion people died in the disaster. Human beings who were trying to heal the wounds caused by the disaster found that this was just the beginning. The plague broke out across the world, five billion people turned into zombies, all kinds of animals mutated and evolved wildly, and even unknown alien creatures appeared. Human beings are already on the verge of extinction. Some people even assert that within ten years, there will be no more people on the earth. There will be human beings again. The original social order is completely disrupted, and the good and evil of human nature are revealed at this moment. People cannibalize, plunder, rape and various violent incidents occur from time to time. Humans flee to the mountains and forests, and some even return to primitive society shape possibility.