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.
Sammo Hung Kam-Bo
Kidstuff / Fastbuck
Jackie Chan
Muscles
Yuen Biao
Ricky
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
