Sammo Hung, Jackie Chan, Yuen Biao, Eric Tsang-Chi Wai, Richard Ng, Charlie Chin Chiang-Lin, Stanley Sui-Fan Fung, Sibelle Hu, Walter Tso Tat-Wah, James Tien Chuen, Lam Ching-Ying, Bolo Yeung, Lau Nga-Lai, Law Ho-Kai, Tai San
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.