Lady Sazen and the Drenched Swallow Sword

 (also known as Left Fencer) is a 1969 Japanese samurai drama and action film, directed by Kimiyoshi Yasuda. Michiyo Okusu plays the role of the one-eyed, one-armed swordswoman O-kin. This film follows in the series of films about Tange Sazen, but this one features a female version of the Sazen—Lady Sazen.
Plot.
Many years ago ronin killed parents of the young girl named O-kin, and crippled her by cut off her right arm and gouged out her right eye. Nevertheless, this girl grew up and became a great swordswoman. Despite her mutilated body, she is unbeatable. Now, she lives in the small town and owns a very valuable and rare sword - The Drenched Swallow. O-kin protects from robbers and ronin a little girl and her grandfather. Local Daimyo collects swords and orders to samurai takes away all swords from its owners. A few samurai came to girl's home and kill her grandfather before were killed by O-kin. Now O-kin wants to take revenge. Together with another swordsman and simultaneously heavy sake drinker, O-kin protects the child.