The film mainly tells that Lin Hongying, a trainee police officer, has finally joined the serious crime team of the Public Security Bureau after a rigorous test. The choice between love and hate is put in front of Lin Hongying.
Sun Wei-Wei
as Lin Hong-Ying
Liang Miao
as Lin Xi-Tong
Wang Qian
as Sister You
Chang Xiao Yang
as Commander Yu
Wang Cong-Yi
as Hong Lao-Qi
Liu Qiushi
as Wu Tong
Wu Jian
as Chen Peng
Wang Hang
as Hitman
Luo Man-Si
as Huang Jia-Fu
Gao Ming
as Technical Squad Captain
Ju Kai
as Criminal Suspect
Zu Lei
as Policewoman
