Keong comes from Hong Kong to visit New York for his uncle’s wedding. His uncle runs a market in the Bronx and Keong offers to help out while Uncle is on his honeymoon. During his stay in the Bronx, Keong befriends a neighbor kid and beats up some neighborhood thugs who cause problems at the market. One of those petty thugs in the local gang stumbles into a criminal situation way over his head.

Jackie Chan reprises his role as Chan Ka-Kui (also known in some versions as Jackie) yet again as a Hong Kong cop who works with Interpol to track down and arrest an illegal weapons dealer. Later Jackie realizes that things are not as simple as they appear and soon find himself a pawn of an organisation posing as Russian intelligence.