The turbid world is full of trickery, with demons and monsters hidden among the mortal hustle and bustle, and disasters often arising from human hearts. Taoist priest Xuanchen of the Mysterious Sect guards the ancient Taoist rules, seeks no shortcut to ascension, and walks the rivers and mountains, solving one strange case after another involving demons and monsters. Divided into five major units, one case per volume. Each strange affair seems to be the work of evil spirits, but upon parting the fog, the interior is entirely filled with obsession, grievances, and old secrets. It does not set up fast-paced victory tropes; case-solving is verified step by step, interlocking; the battle between righteousness and evil is grand and biting, the clash of mystic arts shakes the mountains and cracks the earth, and the scenes are soul-stirring. The joys and sorrows, love and hatred of mortals fall upon the supporting characters of the world, thereby reflecting the myriad states of inner demons.