The time traveler Chen Hui became the mysterious teacher of Qin Shihuang, quietly changing history with modern knowledge. It wasn't until strange symbols and advanced inventions appeared one after another that he was shocked to realize that he was not the only one to travel through time. Colleagues in the dark have laid traps, and the shadow of the "historical restorers" is quietly approaching. In this tampered Warring States period, Chen Hui must race against time, protect Ying Zheng in the chess games of various countries and secret battles across time, and uncover the cruel truth behind this distorted era.
