Set against the backdrop of a chaotic era following the transfer of imperial power, the novel depicts a world plagued by demons, ghosts, and monsters that wreak havoc on humanity. The protagonist, Yun Que, inherits the legacy of the Demon-Slaying Division from the previous dynasty. Residing in a wooden house beside hanging coffins and wielding a special black blade, he is determined to wipe out all evil creatures in the world. The story unfolds with Yun Que’s encounter with Mu Qingyao, the princess of the Jin State. Together, they confront monsters like the Three-Eyed Blood Wolf at Green Fox Mountain.