Six very different but equally determined and dedicated police officers comprise a group specializing in serious criminal cases involving homicide, mafia activity, terrorism, drug trafficking, extortion, kidnapping, and robbery.
Production companies：
海润影视制作有限公司
·
Beijing Forbidden City Film Co., Ltd.
·
Overview：Six very different but equally determined and dedicated police officers comprise a group specializing in serious criminal cases involving homicide, mafia activity, terrorism, drug trafficking, extortion, kidnapping, and robbery.
