誰かを助けるためにライダーになると誓った真司。しかし、優衣を襲っている危機はモンスターを倒せば済むような問題ではなかった。本当に優衣を救うために行動しているのは神崎士郎ではないのか。一方、タイガが全ライダーを招集し、最後の決戦を挑む。
Shinji learns that the Rider War was created to save Yui.
Tojo challenges the other Riders to a battle. Later, he douses their cars with gasoline to stop them from leaving Mirror World.
Asakura seemingly dies in an explosion after igniting a gasoline-covered car.
Tojo sacrifices himself by jumping in front of a truck to save a boy and his father.
Shinji made his final decision to fight Ren for Yui's sake.
