Identical twins are separated at birth, one becoming a streetwise mechanic, and the other an acclaimed classical concert conductor. Finally meeting in adulthood, they each become mistaken for the other and entangled in each other'...

At a Hong Kong shopping center, Buck Yuen's (Jackie Chan's) intuition warns him. He saves a robbery's loot and gets on television, ends up in Istanbul via South Korea, and accidentally becomes a spy. Fortunately, he knows Kung Fu.