The moment Lin Xi, a photographer documenting intangible cultural heritage, begins capturing traces invisible to the human eye, photos from the future appear in the files of Lu Zhao, an investigator of unusual cases. Forced to join forces to investigate a string of disappearances, the two uncover a thousand-year-old conspiracy that uses an entire city as an altar.
Her ability, "Afterimage Rewind," comes at the cost of her memories; every shutter click could erase a fragment of her life. His right hand, implanted with Buddha bone, seals an evil entity, and his 34°C body temperature is the key to deciphering the rules of the supernatural. Gu Mingyuan, head of the Folk Customs Association, uses a Twenty-Eight Mansions astrolabe to distort spacetime, all to resurrect his younger sister, sealed away by the Soul-Suppressing Bureau.
