Modern man Qin Tian travels through time to the Great Qin, obtains the Primordial Force Guidance Book, practices diligently for twenty years to become a Primordial Scholar, and then meets Ying Zheng at Shaqiu to treat him, getting appointed as the National Master of Great Qin. Immediately following, he exposes Zhao Gao's chaotic rule to Ying Zheng, guides Fusu to change the people's livelihood of Great Qin, and finally leads the Qin Dynasty people headed by Ying Zheng to practice the Primordial Force Guidance Technique, building an immortal fairy Qin.