As soon as Wei Zheng, a modern ammunition engineer, opened his eyes, he became cannon fodder waiting to fill the moat in the death row camp in the Northern Territory of Dayong. Below the city are hundreds of thousands of cavalrymen on the grassland. In the city are corrupt officials, eunuchs and cults. The emperor far away in the capital is busy digging graves for the twenty-one states. He just wanted to live, but he used arithmetic, gunpowder and human hearts step by step to carry the coffin prepared for the world to the front of the Jinluan Palace - to invite your majesty to mourn.