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.

In 1999, an enormous meteor crashed onto Earth carrying extraterrestrial creatures known as Worms within it. These creatures took on the identities of real humans and then killed them. In order to counter this new threat, ZECT was formed, who in turn created the Masked Rider System to combat the Worms. The battles lasts over seven years, depleting Earth's resources and turning it into a barren wasteland. By present time, power struggles in ZECT have caused a new group, known as Neo-ZECT, to be created. Souji Tendou, a man weilding the Kabuto Zector, decides to sell his power to either ZECT or Neo-Zect for unkown reasons.

The 18 best urban legends from the "Honto Ni Atta!. Toshi Densetsu" trilogy have been selected in this scariest edition.

The beautiful and successful supermodel Jun Fudou meets a woman named Lan Asuka, who confronts her with a werewolf monster, which she calls a devil beast. As a result, unimagined powers awaken in Jun, and she manages to defeat the monster. She, just like this werewolf, is part of the next step in human evolution: humans who can mutate into beast-like monsters and then mercilessly terrorise civilisation. Unlike the other devil beasts, however, she can retain her humanity, which is her undoing because Lan Asuka is a high-ranking employee of the government and of the “Anti-Beast Special Squad”, which wants to abuse her powers and train her to mercilessly hunt down her own species. Caught between these extremes and her weak self, the question arises: what fate will Jun meet? Will she ever be able to decide it for herself?

Ran’s secret past revealed! Ten years ago, something happened between her mom and dad. Now, plagued by nightmares, Ran is starting to remember… Meanwhile, a murderous card dealer breaks out of jail to seek revenge. His target: Ran’s father. Can Conan stop him in time and save his girlfriend’s family?

In 2071, roughly fifty years after an accident with a hyperspace gateway made the Earth almost uninhabitable, humanity has colonized most of the rocky planets and moons of the Solar System. Amid a rising crime rate, the Inter Solar System Police (ISSP) set up a legalized contract system, in which registered bounty hunters, also referred to as "Cowboys", chase criminals and bring them in alive in return for a reward.

Takeshi Hongo is a promising young man with a passion for motorcycle racing. However, his dreams are suddenly ruined when he gets kidnapped by Shocker, the evil secret organization planning to dominate the world. After being remodeled into a cyborg, Takeshi escapes and swears to protect the world from the inhuman monsters.