The modern elite accidentally traveled to the Qian Dynasty and transformed into Xia Tian, the editor of the Hanlin Academy. Faced with the dilemma of a chaotic tax system, frequent floods, and intrusions from foreign enemies, he used forward thinking to implement the "Fish Scale Atlas" to measure land, innovate water conservancy construction and education systems, and even used hot air balloons and improved divine arm bows to turn the tide of the war in border crises. In the turbulent court struggle, he fiercely clashed with conservative forces, and used his wisdom and courage to set off a storm of change that shocked both the government and the opposition.