After the fall of the Xia Dynasty, the Great Zhou Dynasty ruled the Central Plains for more than three hundred years. On the surface, the world was peaceful, but in reality the boundaries between humans, immortals, and demons were blurred. The immortal sect was hidden in famous mountains and rivers, and the demon tribes were entrenched in the wild forests and dangerous areas. The mortal dynasty set up the "Zhenxuan Division" to deal with mysterious cases related to immortals and demons. However, because the imperial power was afraid of the immortal cultivation forces, the power of the Zhenxuan Division was restricted at all levels, and it was reduced to a peripheral department of the court.
