The Samurai (1962)

Bloodthirsty Swords (7x10)

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Oko engages a ruthless, psychotic rōnin, Jingo, who happens to be a very fine swordsman to kill Shintarō and torture Tonbei to find out where Yorikata is hidden. In return, he will gain a high position in Wakayama Castle under Naitō. This is her one chance to redeem herself. if she fails she will be killed. Jingo apparently kills Shintarō in a duel and captures and tortures Tonbei. Oko gives Jingo poisoned sake as he has done what she wanted and she has no more need of him. However, he doesn't really drink it and kills her. Shintarō, disguised as one of the Negoro sent out to make sure he is really dead, duels with Jingo and kills him while Tonbei kills Onime.