In a desperate crisis, Inamaru is plunged into the dark sea by a strike from Tokugawa Ieyasu. Ryutaro desperately tries to rescue Inamaru. However, it's not just Ieyasu who aims for him and the precious treasure of the Unshaken Banner. Various individuals, good and evil alike, are aiming for the foothills of Mount Fuji where the hidden treasure lies.
Unfortunately the movie 神州天馬侠 完結篇 is not yet available on HBO Max.
| Directing | Shumei Onishi | Director |
| Writing | Shinji Kessoku | Screenplay |
| Writing | Eiji Yoshikawa | Original Story |
| Sound | Nakaba Takahashi | Music |
