Plot:
Tong Fan, the leader of the special investigation team of the Jiang City Criminal Police Team, hopes to open up a new realm for criminal investigation work and take a new path of scientific criminal investigation by taking advanced courses in crime scene investigation and criminal psychology. At the same time, he also suggested introducing a psychological counseling mechanism to conduct psychological intervention for police officers who have been in a high-pressure working environment for a long time and face extremely vicious criminals. At this time, a series of vicious cases occurred in Jiang City. The special investigation team fully entered the investigation, but found a big conspiracy that endangered social security hidden behind the murder. In the investigation of the case again and again, Tong Fan endured the pressure that ordinary people could not bear. He led the members of the special investigation team to keep pace with the times through scientific and technological means such as perfect restoration of criminal psychology and crime scenes, cleared the fog, and finally caught the criminals in one fell swoop after going through hardships and obstacles. The special investigation team finally protected the safety of the people and national property.