“The Iron Triangle” of Chang Cheh, Ti Lung and David Chang once again bring a box office martial arts smash hit to cinema that has its roots in Chinese history.

Set in the Sung dynasty, Lung plays a young patriot on a mission to rescue a prince who has been kidnapped by Ching troops from the north and is guarded by a martial-arts master. Just as the odds seem against him help comes in the form of a mysterious superhuman warrior played by David Chiang.

Battles ensue against the likes of Fire Man, Tree Man, Mole Man, Gold Mongol, and Water Dragon. Eventually the Deadly Duo  infiltrate the fortress and have a bloody showdown with the Ching troops!