Shen Yan, a top history student, unexpectedly transmigrates to the late Ming dynasty and becomes the magistrate guarding Jiayuguan. At the time, Qing cavalry are poised to strike beyond the pass, while within it the garrison is undermanned, supplies are scarce, and the supervising eunuch is a constant obstacle. The nation faces threats from within and without, and its predicament is precarious. Against all odds, Shen Yan draws on his history expertise and engineering knowledge, far ahead of his time, to root out traitors, train new soldiers, ally with the Mongols, and build formidable fortifications. Using Jiayuguan as his chessboard and modern knowledge as his secret weapon, he engages in a thrilling contest of wits and courage with Dorgon. Watch as a mere scholar turns the tide in this age of chaos, defends the nation’s frontier, and gradually uncovers the greater mystery behind his transmigration, rewriting the fate of China.
