Rare was the film in 1973 that incorporated the star's name in the title. One of the few such films was Screaming Ninja, aka Wang Yu, King of Boxing. The story is set in China in the early 1900x. Essentially playing an extension of himself, action-star Wang-Yu spends much of the time defending himself against evil martial-arts masters. He also tries to make sense of a tragic incident in his past.

Lei Ming, a noble young martial arts student who doesn't know the meaning of giving up. He faces a treacherous, blood-thirsty Japanese karate expert, which leads to many memorable battles as well as several unforgettable training sequences.

Australian authorities arrest a man believed to be connected to the Sydney criminal underworld and send for Inspector Fang Sing Leng from Hong Kong to question him. After the alleged criminal is assassinated, Inspector Leng and the Sydney police try to hunt down those responsible and hope to solve their case along the way.