In the ninth year of Song Kaibao, the situation in the world changed suddenly. Between the sound of the ax and the shadow of candles, the emperor changed hands. More than ten years later, an embroidery village was opened next to the county government office in Xin'an City. The owner of the embroidery village was a young woman named Yanniang. She looks graceful and charming, but in fact she is thoughtful. She is proficient in metaphysics, Taoism, and yin and yang mysteries, and with this, she helps the county magistrate Cheng Muyou solve one after another bizarre mysteries, and also allows herself to slowly approach the conspiratorial political world. center.