Also known as The Blind Swordsman's Revenge, this is Zatoichi Versus The Flying Guillotine (1972). Zatoichi is "born Wu Ching Hui, he was kidnapped by pirates as a youth and taken to Japan, where he learned his cane sword skills. He appears to be widely known in China by his Japanese name, but as the film opens he is just returning to China to look up his long-lost brother, Tieh Hou. To his dismay, he learns that the brother has been killed in a sword duel with one Chu Yen Jieh. The grief-stricken prodigal blubbers in mourning and vows revenge."
The Devilish Killer is the most dangerous fighter that ever lived...After defeating all of China’s martial art factions in a grand battle, he decides that his victory cannot be complete unless he possesses the two Thunderbolt Swords. The leader of the Thunderbolt Sword clan sends his two sons into hiding knowing that sooner or later the Devilish Killer will come for them and destroy his clan. After the two sons leave, taking the Thunderbolt Sword with them, fate leads them to meet a young swordswoman who owns the other Thunderbolt Sword and together they unite their swords and train for the ultimate showdown with the Devilish Killer.
明朝末期。書生のグーは、小さな村に母親と暮らしていた。ある日、店に現れたオウヤンという男に、住んでいるチンルー砦のことを聞かれる。近所を調べると、そこには美しい女性ヤンが越してきていた。時が経ち、グーとヤンの距離が縮まる中、二人の目の前に待ち構えていたオウヤンが現れ、剣を抜きヤンと戦い始める。なんとヤンは政府(東廠)に処刑された大臣の娘であり、唯一の生き残りだった。人相書を頼まれたことで事実を知ったグーは、姿を消したヤンを探し出し、彼女とその仲間を助けるために、兵法を使って東廠の追跡隊を罠にかける。