Set primarily before the events of Kamen Rider W Forever, Kamen Rider Eternal tells the story of Daido Katsumi, the formation of NEVER, the mission that led them to target Fuuto, and reveals just how Daido obtained his Lost Driver and got his first taste of the power of Kamen Rider Eternal. As a mysterious woman retells this story to Phillip and Shotaro, they realize that Daido may not have been the simple monster he first appeared to be…
Intercepting the transport carrying Foundation X’s new 2nd generation Gaia Memories, the special-ops unit NEVER, led by Daido Katsumi, intend to turn Fuuto into Hell on Earth. With Daido wielding the T2 Eternal Memory and a Lost Driver, granting him power in the form of Kamen Rider Eternal, Fuuto’s Kamen Riders are left powerless as Daido and his allies take control of Fuuto Tower, converting it into a massive laser weapon…
Suzuki’s world is shattered when his teenage daughter is brutally attacked. The assailant, Ishihara, son of a politician, brazenly mocks Suzuki as he throws him cover-up money. Angry, Suzuki finds he has no answer to Ishihara and in venting his anger, loses his daughter’s trust too. A sleep-deprived, crazed Suzuki goes to Ishihara’s school wielding a knife. He does not find Ishihara, but instead forms an alliance with an odd group of school misfits called the Zombies. The group’s elusive leader, Pak Sun Shin, decides to train Suzuki, who quits his job and embarks on a punishing programme to win back freedom for his daughter.
Yamaguchi, Ichikawa and Kosuge dress in white military-style uniforms to "clean" the streets of Shibuya from bad elements. After rightist gang boss, Aota takes an interest in the three, the boys gradually become influenced by him, but start to go their different ways.