Biggie (Roy Chiao) and Tiny (Richard Ng) grow up together. They fight all the time. Biggie is a detective and Tiny is a thief. Biggie has the satisfaction of catching Tiny and putting him behind bars. When Tiny is released, he is approached by Daigau who wants Tiny's help to steal the world famous diamond.
Richard Ng Yiu-Hon
Cora Miao
Roy Chiao
Lo Hoi-Pang
Melvin Wong Gam-Sam
John Woo
Fung Yun-Chuen
Johnny Koo Kwok-Wah
Ho Pak-Kwong
Wang Han-Chen
Chin Tsi-Ang
Mars