Zatoichi is forced to kill a young man who owes a debt to a yakuza boss. Moments later, his sister Osode arrives with the money she earned (prostituting herself) to pay his debts. The bosses true motives are revealed and he attempts to steal Osode even though the debt is paid. Zatoichi realizes his grievous error and protects the girl from the gang. Osode and Zatoichi are caught in a dilemma as she must rely on her brother's killer for protection and Zatoichi wrestles with the injustice he has caused.
Unfortunately the movie Samaritan Zatoichi is not yet available on HBO Max.
| Directing | Kenji Misumi | Director |
| Editing | Toshio Taniguchi | Editor |
| Sound | Sei Ikeno | Original Music Composer |
| Camera | Fujio Morita | Director of Photography |
| Production | Hisakazu Tsuji | Producer |
| Art | Akira Naitô | Art Direction |
| Lighting | Shunji Kurokawa | Lighting Technician |
| Sound | Yukio Kaihara | Sound Recordist |
| Writing | Kan Shimozawa | Original Story |
| Production | Masaichi Nagata | Executive Producer |
| Directing | Mitsuaki Tsuji | Assistant Director |
| Writing | Kiyokata Saruwaka | Screenplay |
| Writing | Tetsurō Yoshida | Screenplay |
| Writing | Hisashi Sugiura | Screenplay |
