30 years after the construction of Fuuto Tower, peace in Fuuto has lasted for quite a long time. But this summer, this peaceful city was in turmoil again. A group of Doponts that were supposed to be dead suddenly appeared on the streets and wreaked havoc on the surroundings. Shotaro Sa (played by Ren Kiriyama) and Philips (played by Masaki Suda) combined to transform into Kamen Rider W, and Fuuto Police Station officer Terui Ryu (played by Minehiro Kinomoto) transformed into Kamen Rider Axel and fought a desperate battle with the invading Dopont. With the assistance of Maria S. Cranbetti (played by Aya Sugimoto), an international spy investigation agency member, the justice warriors repelled the invaders, but found that they were all ordinary citizens wearing Gaia memories. From Maria's mouth, I learned that the international felon Katsumi Dodo (played by Mitsuru Matsuoka) and members of his evil organization "Never" hijacked 26 Gaia memories numbered A~Z, and they even conspired to occupy Fuuto. A fierce war between good and evil is about to begin...