It's approaching World War 2 and China is expecting to be invaded by Germany and Japan. Mr Ang is hired by a Chinese group who are after a "secret document." Many other groups want to get their hands on it as well. It's on the top floor of a tower and Ang must fight his way to the top.

Two young men flee Hong Kong after stealing diamonds from their boss and attempt to hide with friends in Paris, but professional hitmen persue them relentlessly throughout France.