Two Hong Kong cops are sent to Tokyo to catch an ex-cop who stole a large amount of money in diamonds. After one is captured by the Ninja-gang protecting the rogue cop, the other one gets his old Orphanage gang, dubbed the "Five Lucky Stars," to help him. They don't like this much, but they do it.


Eric Tsang Chi-Wai
Roundhead / Blockhead

Richard Ng Yiu-Hon
Sandy

Charlie Chin Chiang-Lin
Herb

Stanley Fung Shui-Fan
Rawhide

Sibelle Hu Hui-Chung
Swordflower / Chief Insp. Barbara Wu