The story takes place in old Shanghai in the 1930s. A kidnapping case occurred in the jurisdiction, and Detective Zhong Lang (played by Zhong Hanliang) interrupted the conversation with the mentally disabled child A Ding. The perpetrator was a grave digger who appeared two years ago. Due to the negligence of Detective Ning Erkun (played by Zhao Yi) at the time, it caused the deaths of both Liao brothers in the Liao family
The story takes place in old Shanghai in the 1930s. A kidnapping case occurred in the jurisdiction, and Detective Zhong Lang (played by Zhong Hanliang) interrupted the conversation with the mentally disabled child A Ding. The perpetrator was a grave digger who appeared two years ago. Due to the negligence of Detective Ning Erkun (played by Zhao Yi) at the time, it caused the deaths of both Liao brothers in the Liao family