Sleepy Eyes of Death: Sword of Fire (1965)

This film of the sleepy-eyed ronin series has the red-haired swordsman on his way to the city of Edo when he comes across the scene of a woman in the midst of a knife fight with a man. When he reluctantly and with considered hesitation becomes involved, his intervention has him involved in a thieving plot involving the top official of the local Todo Clan and a plan to cover up a theft from a band of pirates.