Due to an AI experiment accident, programmer Lin Yue's consciousness was projected into the cyberpunk world "Knox" ruled by plutocrats. He could see himself in the outside world lying on a hospital bed in a brief "flicker" - this convinced him that time travel was reversible. But the mark of the eye gradually opening in the palm of his hand was telling him another truth. (A little bit brain-burning and convoluted, a non-traditional and refreshing article, focusing more on describing the story of a real cyber city)