

Takeshi Asakura as Ouja battles Miho as Femme and after a few blows are exchanged Femme is on the losing side.

The other, Ryuga, fights so he can be a real human in the real world. Miho is revealed to fight for two reasons: to seek revenge on Takeshi Asakura who murdered her sister, and to resurrect her sister. The other Riders continue to fight with one another, with their own goals present. Upon their first battle together, Shinji, then as Kamen Rider Ryuki and as always, tries to convince Miho, as Kamen Rider Femme, not to fight, and she rejects. Once he chases after her, the two of them reveal themselves as Riders to each other, before they are suddenly forced into fighting Mirror Monsters. Shinji, while on a case bumps into Miho Kirishima after she manages to con another wealthy man and take Shinji's wallet. As Yui's life grows short, she recalls memories and shows Shinji Kido and Ren Akiyama pictures of her childhood drawing, which explains the reasoning for the Advent Monsters and Shiro's reason to start the Rider War. With only six Riders remaining in the Rider War, Shirō Kanzaki feels that time is running short.

This movie is an alternate ending to the series, taking place after the events of episode 44. Although promoted to be the " finale, final chapter of TV series", it takes place in an alternate timeline to the events of the series' ending as seen with the usage of Time Vent.
