In the seventh year of Chongzhen, natural and man-made disasters tore the mountains and rivers of the Ming Dynasty apart. Retired armed policeman Chen Qingsong traveled across time and became the Tianjin Zuowei General Banner, where he used his iron-blooded attitude to strengthen the army and innovate firearms. He beat the bandits with his fists and beheaded Hou Jin with his sword. He fought his way from a frontier clerk to the court, swept away the haze of troubled times, and finally rebuilt the iron-bone prosperous age for China!