Cases During the Cholera Era

2032, Cholera period. There is a kind of cigarette that you can use a switch to select tar or non-tar when smoking, that is, toxic or non-toxic. However, young entrepreneur Yu Xiangyang and his companions died on the street after smoking. A week later, all the AI ​​forensic lambs in the country were arrested, and a hermaphrodite female nanovirus implanted in them was found. This virus can die once it comes into contact with a person with a male virus. What is even more dangerous is that if this kind of ward is combined with the cholera virus, the world will be hell. Fifteen years ago, when the famous journalist and writer Gao Ailian was murdered, Yu Xiangyang was the clue provider; now, Yu Xiangyang is a collaborator with entrepreneur Liang Weida, who was Gao Ailian's first love. The police battle with criminals.