Shen Yan, a college student in the modern history department, accidentally traveled through time and became the young emperor of Dayong who had just ascended the throne. The court is controlled by relatives, the vassal king is eyeing him, and the border war is raging. Faced with the dilemma of having an empty emperor, he relied on his solid historical skills to win over loyal ministers, disintegrate enemy camps, stir up the wind and clouds as a young man, and finally capture the broken mountains and rivers in his arms.