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.

Bruce Lee (Bruce Li) is assigned to go undercover as Lee Min-Chin to investigate a drug ring. The mob hires an assassin to kill him. They are both great at what they do; as they fight to the death only one will come out alive.

John Liu plays himself as the Hong Kong martial films star and son of a NASA scientist kidnapped in Paris whom may be valuable to a criminal organization. Liu comes back to France, where he had a sentimental affair with a Frenchwoman which ended badly and also created the Zen-Kwan-Do martial school. In Paris, Liu must fight many Caucasian top fighters while he looks for his father and daughter.

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.