Edo, 1703. Young Sugino, one of the 47 rōnin seeking revenge against lord Kira, who caused that his master, Asano of Ako, committed seppuku, meets a skillful spear fighter, Genban, who trains him to fight with honor on the day of retribution.
Unfortunately the movie Blooded Spear is not yet available on HBO Max.
| Directing | Yasushi Sasaki | Director |
| Production | Yurin Nakamura | Producer |
| Sound | Toshirō Sasaki | Sound |
| Writing | Hideo Oguni | Screenplay |
| Art | Choshiro Katsura | Art Direction |
| Camera | Minoru Miki | Director of Photography |
| Sound | Seiichi Suzuki | Original Music Composer |
