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.

• Paragon Films Ltd.
• Orange Sky Golden Harvest
• Sammo Hung
• Jackie Chan
• Yuen Biao
• Eric Tsang-Chi Wai
• Richard Ng
• Charlie Chin Chiang-Lin
• Stanley Sui-Fan Fung
• Sibelle Hu