Shuichi Komori

Movie War 2010 is split into three parts. The Kamen Rider Decade portion of the film, written by Shoji Yonemura, is titled Kamen Rider Decade: The Last Story. It follows the series cliffhanger ending at the climax of the Rider War. The film is billed as the "True Ending" and was originally subtitled Decade vs. All Riders. The Kamen Rider W portion of the film, written by Riku Sanjo, is titled Kamen Rider W: Begins Night, taking place between episodes 14 and 15 of Kamen Rider W, investigates the origins of Kamen Rider Double as briefly shown in the cold opening of the series' first episode, referred to in the series as the "Begins Night". The film is described as the "True Beginning" and was originally subtitled Episode Zero. In the final portion of the film entitled Movie War 2010, a convergence of the two films that brings the casts and characters of Decade and W to finish the fight with Super Shocker together.

The three Tribes of the Daos Empire - Shura, Dai and Gorma - were peaceful until the Gorma set out to conquer the planet, launching a magical war between the Gorma and Dai Tribes that lasted for centuries. In the end, both civilizations were lost... until now. The evil Gorma have returned. Now, it's up to Master Kaku to assemble a team of kids with high levels of Ch'i to become the protectors of the Earth known as the Dairangers!