A young man in the 21st century becomes the host of the system. He travels to the Qin Dynasty and becomes a son-in-law. He picks up a little daughter-in-law at the beginning. He is also assisted by famous generals such as Jing Ke, Meng Tian, Li Si, Wang Jian, etc. To help the First Emperor fix his internal affairs, defend against foreign enemies, expand his territory, and sweep across the six countries.
