In the fourteenth year of the Chongzhen reign of the Ming Dynasty, the Little Ice Age had reached its most severe stage. A plague was brewing in the capital, Luoyang had fallen, and the emperor was still worried about the Liaodong situation. At this precarious moment, Chen Ye, a lucky time-space trading clerk, was matched with Chongzhen. Chongzhen: Buy food, buy radios, buy guidance from immortals. Sell gold, sell minerals, sell anything the Ming Dynasty can sell. I want this world, wherever the sun shines, to be Ming territory.