"The One-Armed Swordsman" is a 1967 Hong Kong martial arts film directed by Chang Cheh. The story follows a young swordsman named Fang Gang, who loses his arm in a battle but learns to adapt and master his skills with a single sword. The film is notable for its innovative fight choreography and dramatic storytelling, which helped popularize the genre. The film stars David Chiang as Fang Gang and features Cheng Pei-pei in a supporting role. It was a significant success and influenced many subsequent martial arts films, establishing a template for the genre that combined action, drama, and character development.