Modern time-traveler Zhang Yuan served as the magistrate of Pingyang County for three years, using modern knowledge to turn the barren county into a prosperous paradise, yet every year he submitted reports crying poverty to deceive the imperial court. Empress Zhou Caihuang disguised herself as a man to travel incognito, and after seeing through Zhang Yuan's deception, she marveled at his talent and summoned him to the capital. From mutual probing to joint cooperation, Zhang Yuan revitalized industries, purged corruption, and resolved famines, until Zhou Caihuang finally confessed her identity as a woman, and Zhang Yuan was enfeoffed as the Prince of Pingyang, living a carefree life with his confidants.