The truth of the "Falling Day" a hundred years ago was tampered with by the pseudo-god regime. They established the city of God in the name of "purifying the bad nature of mankind", using chips to monitor thoughts and purification towers to eliminate heretics. When Lu Yuan, a restorer from the Archives Bureau, was repairing a damaged chip, he accidentally awakened the Eye of Truth in his left eye - the ability to see through the lies of false gods, but it also eroded his life like broken porcelain.