A Samurai's Lie: Beloved Wife (1981)

Isozoemon (Go Kato) was a ronin (masterless samurai) and broke, who lived in a Choya (cheap apartment) in Okazakijoka town with his sick wife, Sugie (Ai Kanzaki). He was also a good swordsman who had taught swordsmanship in Akita a long time ago. He takes such good care of his wife that he is called a wife-loving man. He got involved in a conflict for succession because he pretended to become an officer to please her wife.