Japan, 1860. The men of the Mito clan, victims of the Ansei purge, anxiously prowl around the Sakurada Gate of Edo Castle with the intention of assassinating Naosuke Ii of Hikone, tairō of the Tokugawa shogunate and responsible for their misfortune.
| Directing | Kihachi Okamoto | Director |
| Production | Tomoyuki Tanaka | Producer |
| Sound | Masaru Satō | Original Music Composer |
| Writing | Shinobu Hashimoto | Screenplay |
| Art | Iwao Akune | Production Design |
| Editing | Yoshitami Kuroiwa | Editor |
| Crew | Minoru Izumi | Special Effects |
| Camera | Hiroshi Murai | Director of Photography |
| Directing | Michio Yamamoto | Assistant Director |
| Crew | Ryū Kuze | Fight Choreographer |
| Writing | Jiromasa Gunji | Book |
