A 72-hour countdown to doomsday appeared around the world at the same time, and black fog began to swallow up cities. While others grabbed cars to escape, he activated the core of underground civilization and decided to transform the entire community into a mobile city.
When the red mist, high-speed blockade and mysterious migration system appeared one after another, he discovered that the real thing to be eliminated in this doomsday may not be human beings, but the civilization that has stopped.
