In the future world, the time simulation system accelerates the progress of human civilization, but it also brings a lot of trouble. Users continue to stray into the bottom layer of the time simulation system. How will these people survive and how will they save themselves?
As a technician, Yang Haixing is responsible for repairing the system, but he is trapped inside inexplicably. Clues are constantly being revealed, and the truth of the matter becomes more confusing!
Concept: The importance of mastering a professional skill!