Five friends are released from prison and do their best to stay out trouble. While trying to mind their own business (and run their 5-Star Cleaning Service), they are caught up in a war between rival Triad gangs fighting for control of the counterfeit currency market.

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.