Professor Daidōji has developed a gravity machine called the GX Device. Unfortunately, Shocker wants it; so they attack the professor and destroy his laboratory, but come home empty-handed. Shocker's agents find out that the plans for the GX Device are with Daidōji's daughter, who is celebrating her birthday. Now the Kamen Riders, along with FBI agent Kazuya Taki, must protect Daidōji's daughter and prevent Shocker from obtaining the plans.

Genres

Cast

Takeshi Sasaki

Hayato Ichimonji / Kamen Rider #2

Hiroshi Fujioka

Takeshi Hongo / Kamen Rider #1

Akiji Kobayashi

Tobei Tachibana

Jirô Chiba

Kazuya Taki

Hideyo Amamoto

Dr. Shinigami

Hajime Izu

Dr. Daidōji

Mahito Tsujimura

Zanjioh (voice)

Shinji Nakae

Narrator (voice)