OREジャーナルを支える天才システム担当、島田奈々子が誘拐された。身代金を運ぶように指示された真司は、山奥のあばら家を訪ねる。犯人らしき男に襲われ、必死に抵抗するところへ窓ガラスからモンスターが現われ……。
Shinji is arrested after being falsely accused for abducting Shimada, leading to Yui and Ren hiring Kitaoka to bail him out. However, as Shuichi attempts to free Shinji from his false accusation, he suspects that Shinji was Kamen Rider Ryuki.
