An ordinary man accidentally traveled through time and became Emperor Chongzhen. He used the historical knowledge he learned to clear up the long-standing abuses of the late Ming Dynasty. He stabilized the court, repelled the invasion of Hou Jin and then conquered Heilongjiang. He subdued Li Zicheng for his own use. He conquered Indochina and controlled Malacca. He destroyed the nests of Japanese pirates and their roots. He opened up the Western Regions and revived the Silk Road. He annexed the Central Asian princes and annexed the Caspian Sea. He set foot on the Iranian plateau and controlled the Persian Gulf.