The Royal Hong Kong Police put into operation a new plan to counteract the problem of increasing violent crimes committed by new arrivals from across the border in China. In agreement with Chinese authorities, three Hong Kong detectives go undercover as illegal immigrants in order to infiltrate the powerful gang that is organising the crime wave.

Genres

Cast

Alex Man Chi-Leung

Biggy

Pauline Wong

Diana

Elvis Tsui Kam-Kong

Li Heung Tung

Ben Lam Kwok-Bun

Chik King San

Yuen Yat-Choh

Kwok Hok Kwan

Maryanna Yip San

San's Girlfriend

Kirk Wong Chi-Keung

Kirk Wong Chi-Keung

Wong Chi-Keung

Cheung Chow

Shing Fui-On

Kwong Ming

Hon Yee-Sang

Negro Tong

Mama Hung

Mrs. Ko

David Chung Gam-Gwai

Boss Hoi