"The One-Armed Swordsman" is a popular franchise that began with a 1967 Hong Kong film directed by Chang Cheh. The story follows a skilled swordsman who loses an arm in battle but continues to fight using his exceptional martial arts skills. The film's unique premise and intense action sequences helped it gain a significant following. The franchise expanded to include several sequels, remakes, and adaptations, solidifying its place in the martial arts film genre. Notable entries include "The Return of the One-Armed Swordsman" and "The One-Armed Swordsman 2," which further explore the protagonist's journey and challenges.