The "Desire Grand Prix" is a game to protect the peace of the city from the threat of the mysterious enemy "Jamato", whose origin and purpose are unknown. Each participant transforms into a Kamen Rider and competes to win the game by defeating enemies and saving people. The winner of the Desire Grand Prix will be rewarded with "the right to bring an ideal world to life" as a prize. In other words, only the true hero who wins the competition will be able to realize the world they have wished for.

When the Deadmans attack, the only one who can stand up to their Dia de los Muertos-themed assault is... the son of a bathhouse owner and the demon attached to him. Ikki Igarashi is Kamen Rider Revi. Vice is Kamen Rider Vice. With the power of the Vistamps, they are Revice! Together, they will defeat the Deadmans... but not without intervention from the government organization Fenix.