A black terrorist organization has reached out to the city. In order to deal with this terrorist organization, members of the Police Department are stern. They are four specially trained souls of the crime team. They are the people's police who are ready to sacrifice their lives to protect the safety of their homes. Jiang Bifan is a member of the serious crime team and a member of the special team. Chen Fei is a reporter on the front line of serious cases, and Zhang Jun is an elite lawyer. Members of the Crime Squad and the Special Police Group are on standby at any time, and they are doing their best to strive for a safe life for ordinary people...