The story takes place in the rapidly developing "Jiang City", where there are many high-rise buildings and algorithms dominate the lives of millions of people. The protagonist Lin Zhe is a food delivery rider who has just been in the industry for three months. Not only does he have to fight against heavy rain, high temperatures and other severe weather, he also has to survive in the complex "workplace ecology" of the site. The novel uses a realistic approach to describe the survival of this large group of delivery riders, showing their brilliance of humanity and breakthrough in the workplace when hunted by algorithms.
