About 45 years back, a man named Hongo Takeshi got remodeled by an Secret Evil Organization. He is born, the first Kamen Rider. From that day, Hongo Takeshi continued to fight the evil to protect the humanity as Kamen Rider 1.
Hongo Takeshi was fighting with Shocker outside Japan. He decides to return to Japan when he comes to know about a Tobei Tachibana's Grand Daughter → Mayu Tachibana who is in danger. Her presence is needed to revive the Top Executive Ambassador Hell. Takeru Tenkuji (Kamen Rider Ghost) & his comrades were investigating the reason why Shocker are targeting the girl (Mayu Tachibana). During their investigation they come across Hongo Takeshi. Hongo's Body was reaching it's limit because he was spending very hard days till now.
Shocker has taken it's new form → Nova Shocker. Just how will he fight them in such conditions.
Kamen Rider 1 will power up in the movie.
Catchphrase - From Origin to the Top. Revive by raising the Engine Roar! Rider Henshin!
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