A hot-shot lawyer is hired by a Hong Kong chemical plant to dispose of opposition to their polluting ways. But when he falls for a beautiful woman out to stop the plant, he is torn in a conflict of interest and asks his trusty friends Samo and Biao to help out at least until they discover the true purpose of the plant.

When he is framed for being a spy because of his friend's illegal activities, David must escape from police, CIA, and assassins with the help of his cousin.

The Godfather of the classic Shaw Brothers kung fu films, Chang Cheh directs a group of Shaw superstars which includes Ti Lung and Chen Kuan-Tai in this kung fu thriller. When a father is framed for murder, his son travels to exotic Thailand to find him and ends up fighting in a 'Death Ring' championship.