Modern time traveler Zhao Jinghong was trapped in the Qin Heavenly Prison, and met the imprisoned Fusu by chance. He bluntly revealed the shocking truth that the First Emperor Ying Zheng would die during the Eastern Patrol, and that Hu Hai and Zhao Gao would tamper with the imperial edict. Ying Zheng secretly overheard the conversation and was shocked by Zhao Jinghong's accurate prediction of his hidden physical illness and the secrets of the court, and gradually saw through Zhao Gao's conspiracy to collude with the alchemists to refine poison pills. With his astonishing talents, Zhao Jinghong proposed innovative measures such as the Hanlin Academy, the reign system, and disaster relief strategies, which helped Yingzheng stabilize the country. At the same time, he inspired Fusu to abandon pedantic Confucianism and clarify the way to govern the country. In the struggle for power in the court and the battle for the throne, Yingzheng relied heavily on Zhao Jinghong, Fusu gradually grew up, and everyone worked together to fight against the Zhao Gao Group