Xie Chen, a modern archaeologist, travels through the prosperous Tang Dynasty and sneaks into the mission of the Tang Dynasty to activate the [Historical Correction System]. Every time history is changed, there is a red fault line in the sandbox in the mind. When he was in the court to predict the life and death of the Turkic Khan, and used a Luoyang shovel to dig out the mechanism of Wu Zetian's mausoleum, Quan Chang'an called him the "human-shaped heavenly book" - but he did not know that the demise of the Tang Dynasty was accelerated by his own hands.