Zatoichi and the Doomed Man

Zatôichi sakate giri is a movie starring Shintarô Katsu, Kanbi Fujiyama, and Eiko Taki. The blind masseur and swordsman, Zatoichi, searches for proof an imprisoned man's innocence.
Blind swordsman Zatoichi, jailed briefly, is implored by another prisoner to aid him in proving his innocence of a crime for which he is sentenced to death. Zatoichi is reluctant to get involved, because he knows how often such involvement has led to trouble in the past. But events conspire to thrust him repeatedly into involvement, and gradually he comes to believe in the man's innocence and determines to free him.