/// Muscles, um policial de Hong Kong, está no Japão perseguindo um mau policial de Hong Kong. Seu parceiro policial élevado embora pela gangue ninja. Muscles recebe seus 5 velhos amigos inúteis do orfanato para ajudar a encontrar o policial mau. Muitas comédias e lutas de Kung Fu se seguem.
/// 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.