In the near future world, there is order on the surface but there are hidden mysteries. The rule system has penetrated into all levels of society, and people live under invisible control. The story begins in a seemingly ordinary modern city "Xindu". As the plot progresses, it will be revealed that this city is actually an experimental ground for the rule system, and the entire city layout is a carefully designed maze. The world is controlled by a mysterious organization "The Code Society" through a system of rules. Each rule seems to protect but actually enslaves. The "Beyond the Rules" manual discovered by the protagonist is the ultimate weapon left by the resistance organization "Wall Breakers" and can rewrite the rules of reality.