Master Liu and Master Law are rival masters of Shaolin style kung fu, and Wudang style sword fighting, running schools in the same city. Their top students, Chao Fung-wu, and Hung Jun-kit, are actually close friends. After observing the two students fighting at a brothel, the Lord determines that the two styles are dangerous, and he must learn both.
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.