In the modern city, young scholar Lu Tianxiang accidentally traveled back to ancient times and became a little-known county magistrate. He originally thought that his time-travel experience would be an ordinary historical rebirth. However, as bizarre cases emerged one after another, Lu Tianxiang gradually realized that the world hid unspeakable horrors. Not only does he have to deal with the complicated plot in solving the case, he also has to fight wits and courage with the evil forces from the shadows behind history. As the case progressed, Lu Tianxiang not only uncovered the truth behind these ancient cases, but also slowly unraveled the mysterious reason for his own time travel. What he faced was not only a cruel case, but also the despair and fear deep in human nature.