Detective Chen Mo was transferred to the mysterious Seventh Bureau because of his "yin and yang eyes", and was involved in a witch clan secret that spanned thirty years. The reverse curse of exorcising corpses in Xiangxi, the fire burning treasures in the Forbidden City, the illusion of the empty city in Lop Nur... Behind every supernatural case, there is the ambition of the descendants of Jiuli to resurrect the ancestral witch.
He saw his father's afterimage in the corpse's memory, touched his mother's body temperature in the bronze mirror fragments, and during countless conversations with ghosts, he discovered that he was actually the host of the ancient ancestral witch "Houtu". The talisman paper of Maoshan disciple Lu Xue, the soul-inducing bell of the corpse exorcist Lao Dao, and the mechanism technique of forensic doctor Zhou Ming have become his sharp blades to solve the mystery, and the yellowed "Secret Scroll of Mountains and Seas" is slowly revealing the ultimate truth of the Kunlun secret realm——
When the floating coffin on the Yellow River reappears and the giant bronze door opens, Chen Mo must choose between "resurrecting the ancestral witches to reshape the world" and "protecting human civilization." He didn't know that the last words left by his father were hidden in the thousand-year sigh of the Mirror Spirit: "My child, what you see is not the past, but countless futures torn apart by the power of the Witch Clan..."