Luo Yanran worked alone in the city to investigate bizarre cases, while Li Lingfeng worked diligently in the police force. Luo Yanran is smart and calm, with strong logical reasoning ability, while Li Lingfeng is talkative but thoughtful and has excellent criminal investigation skills. During the investigation, they discovered the secrets behind their respective identities, and it turned out that they were all involved in the conspiracy of the criminal group...
