Si wang mo ta 1978
Directed by Joseph Kong Hung, Lam Kwok-Cheung | Starring: Bolo Yeung, Michael B. Christy, Bruce Le, Chi Ling Chiu
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.