Chen Qing, a professor of modern history, traveled back in time to the ninth year of the Qin Dynasty (238 BC), when Ying Zheng was about to take over and the Lao Ai Rebellion broke out. Relying on his in-depth study of Qin history, he approached Ying Zheng as an "alchemist" and embarked on a road to assist the emperor without systems, golden fingers, but only wisdom and strategy.
