Thirty thousand years later, people have completely become slaves of robots and become objects controlled by robots. When humans reach the age of 16, they will be sent to Avignon, where they will complete the adult ceremony of allegiance to robots. This has been the case for more than 20,000 years. Today, the Yibin heading to Avignon exploded, and only Wuhen and Tianxing escaped; they discovered that the explosion was a conspiracy of robots. If the two of them want to survive, they must fight the robot to the end...