As the First Emperor lies on the verge of death, a rift in space-time suddenly appears in the Qin Empire, and a military doctor from two thousand years in the future arrives at his bedside, bluntly declaring that the dynasty is about to collapse. After learning of a future in which treacherous officials seize power, Crown Prince Fu Su suffers a calamity, and the capital is ravaged by war, Ying Zheng resolves to make secret preparations, using a false-death scheme to purge evil and restore the empire. Meanwhile, future generations launch a special plan to safeguard civilization, sending doctors, scientific researchers, agricultural experts, and skilled artisans through time to the Qin dynasty one after another. Risking their lives, they bring advanced knowledge and techniques, ensuring the transmission of civilization across a thousand years. The emperor who has ruled for the ages takes command of the game, overturns the predetermined course of history, preserves the Qin Empire, and keeps the cultural heritage of China alive for generations.