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 |
| Writing | Shinobu Hashimoto | Screenplay |
| Sound | Masaru Satō | Original Music Composer |
| Camera | Hiroshi Murai | Director of Photography |
| Editing | Yoshitami Kuroiwa | Editor |
| Art | Iwao Akune | Production Design |
| Directing | Michio Yamamoto | Assistant Director |
| Crew | Minoru Izumi | Special Effects |
| Crew | Ryū Kuze | Fight Choreographer |
| Production | Tomoyuki Tanaka | Producer |
| Writing | Jiromasa Gunji | Book |
