Li Yu, who was kicked out of his house, unexpectedly discovered that he could shuttle back and forth between modern times and the late Ming Dynasty, and could also send supplies to each other... Standing at a turning point in history, what should Li Yu do? Is the tide assisting the Qing emperor Taiji to set the Central Plains? Is it assisting the last emperor Chongzhen to turn the tide, or is it blazing a path that no one has ever traveled?