A new creature on the earth, because it looks like a human cub, was named the Blood Man. The Blood Man mainly lives in areas with harsh environments, and has a large number of viruses hidden in its body. Until it is discovered, the value of the Blood Man begins to be explored. The blood of the Blood Man can inhibit almost all harmful viruses in the human body, and cannot infect humans. The Blood Man has strong regenerative capabilities and uses blood to make various organs for humans to extend life. However, the Blood Man does not belong to Due to the carbon-based creatures, the number of blood people began to decrease sharply. In order to continue the blood people, through a large number of induced mutations, the blood eventually began to infect humans. This virus was more powerful than the zombie virus. While retaining people's sanity, it also increased people's desires. The virus was almost immortal, spread through the air, and could reproduce in the air. It was almost immune to radiation. The earth began to fall into destruction, until a time traveler, Wang Lin, landed on the earth.