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.