Zhou Yiming, an older social worker who scorns urban supernatural rumors, accidentally gets involved in a series of supernatural cases after inexplicably inheriting a strange ring passed down from his ancestors - schoolhouse of wronged souls, midnight express delivery, lost ancient notebooks, missing children... In order to solve the mystery of the supernatural ring, he is forced to join a supernatural agency and form an investigation team with the mysterious girl Lin Qianyu, the funny boss Lu Minglang and the tabby cat demon. They struggled through bizarre cases, and supernatural events occurred one after another, combining daily comedy with tension and horror. As the investigation deepened, the team discovered that there was a big conspiracy hidden behind it, which was closely related to its fate. Zhou Yiming not only found his self-worth, but also gained warmth and courage from the supernatural world, and finally faced the ultimate mystery that had been sealed for many years.
