In order to solve difficult cases, the police often rely on informants to obtain intelligence. However, in the process of action, informants are often intentionally or unintentionally placed in dangerous places. A year ago, the tragic fate of informant Fei Yan (played by Liao Qizhi) left Hong Kong police officer Li Cangdong (played by Zhang Jiahui) suffering both physically and mentally, and his superficial glory was always washed away
In order to solve difficult cases, the police often rely on informants to obtain intelligence. However, in the process of action, informants are often intentionally or unintentionally placed in dangerous places. A year ago, the tragic fate of informant Fei Yan (played by Liao Qizhi) left Hong Kong police officer Li Cangdong (played by Zhang Jiahui) suffering both physically and mentally, and his superficial glory was always washed away