[Blood Moon Mirror Shadow, Canal Corpse Whisper, Gu City Butterfly Transformation, Dunhuang Fantasy Drama, Chang'an Tianshu]
During the Jingyun period, undercurrents surged under the prosperous age. Su Wuming, Lu Lingfeng and their group returned to the Eastern Capital, but were involved in a series of bizarre cases - the smiles of the dead appeared in the mirror, a ghost ship floated in the canal with no survivors, a strange epidemic spread in Sichuan that turned people into butterflies, the Dunhuang murals moved in the middle of the night, and the astrolabe on the top of Chang'an towering tower changed unexpectedly. Behind every strange case, there is a mysterious symbol. The five-person detective team peeled off the cocoons in the heavy fog, and gradually realized that all the strange phenomena were intertwined, pointing to a shocking mystery that had been brewing for several years and could overturn the foundation of the Tang Dynasty. And the mastermind they are tracking may be hiding in the most unexpected dim light.
