A modern engineer is transformed into a postman in the late Ming Dynasty. He is forced to use dung and wall frost to create a bomb to kill a corrupt official and run away with his sister. Recruit a younger brother to occupy the hilltop, build muskets, grow high-yield grain, and blast the elite cavalry of the Ming Dynasty into slag! After becoming the king of Shaanxi, he fought against a hundred thousand Qing troops, burned Tongzhou to save Beijing, and subdued the remnants of famous generals. Lead your brothers to use technology to fight the troubled times!
