During the Jiajing period of the Ming Dynasty, Qinghe County was peaceful on the surface, but in fact it was suffering from a shortage of granaries, underreporting of salt taxes, smuggling by gangs, infiltration by Japanese pirates, and layers of corruption forming a huge network.
This is the story of a time traveler and a descendant of the Medicine King Valley, using data logic and silver needle medical skills to correct the evil and eliminate evil in the dark web of conspiracy.