The fictional world is divided into thirteen regions. Except for high-level decision-makers and industry elites, they are required to undergo career mobility and change every six months. The heroine Lu Xingsen, who is located in the 13th District, has experienced careers such as fast food restaurant employee, government greening, primary school teacher, and soy sauce female police officer. What's the secret behind the seemingly flashy showman Ye Yushi, the sinister elite male protagonist? There are endless creatures on the other side, and they are pressing closer and closer. Can the regional security system maintain everyone's safety? How many interesting things will happen in this seemingly peaceful but bizarre time and space.