It is said that the jade seal of the country is not auspicious, but an evil thing that seals the ancient souls of injustice. Its curse spread like a plague through the troubled times of the Three Kingdoms, triggering a series of mysterious cases - the corpse of a woman in a dry well held mysterious silk, Sun Jian's armor concealed exotic spices, and Dong Zhuo's body was exploded by thunder. The organization behind the scenes, "Dark Eyes", is using the evil power of the Jade Seal in an attempt to open the door to the Nine Netherworld.
Four detectives with special skills were forced to assemble: the sickly counselor Guo Jianeng can discern the plot of people's hearts, the sorceress Huang Yueying is proficient in organ autopsy, the young general Xia Houlan is good at breaking the mystery of the secret room, and the alchemist Zuo Ci wanders between yin and yang. They will travel through the three mysterious realms of ghost market witchcraft, Guandu shadow soldiers, and strange rules, and unravel the cocoons in twenty strange cases that combine history and surreality.
As the jade seal gradually loosens, the boundary between reality and the netherworld begins to collapse. The empty city plan hides inhuman prying eyes, and the mystery of life is floating in Wuzhangyuan. In the final showdown, the leader of the "Dark Eye" turned out to be the most unexpected person beside him. In this thousand-year game surrounding the evil jade seal, only blood and wisdom can be sacrificed to prevent Rakshasa from coming to the world.
