After discovering technology that transforms him into the hero Kamen Rider Fourze, high school student Gentaro Kisaragi forms a special club called the "Kamen Rider Club" to combat the evil forces infiltrating their school, and along the way, makes friends with everyone he meets.

The first part is the Kamen Rider Fourze’s place five years after the events of the series. Gentaro is now a teacher at Amanogawa High as well as the Space Kamen Rider Club’s new academic advisor. However, a new school club called the Monster League, comprised by a group of psychic children led by Saburo Kazeta, which is supported by a mysterious man named Kageto Banba. The second part is Kamen Rider Wizard’s portion, where Haruto enters the Underworld of an unknown Gate to investigate the mysterious occurrings of monster appearances. He then runs into a young woman named Yu Kamimura who can become Belle Mask Poitrine and can use magic like him. The third and final part of the film is Movie War Ultimatum. The three Akumaizer from the Underworld to plan to invade the land of the living. Kamen Riders Wizard and Fourze must fight to stop the Akumaizer and their Monster Army.

High schooler Kei Tsuchiya joins The Destroyers when she decides that her longtime karate master is holding her back. She realizes her mistake but it's too late.

一直以来，假面骑士和超级战队守护着地球的和平，但这段历史即将被颠覆。
假面骑士Decade成为“大修卡”的大首领向超级战队发动进攻，豪快红亦成为“大残虐”的大帝王对决假面骑士。而在两个组织的干部口中，提及着神秘的“大机器计划”……
为了搞清楚这场战争的来龙去脉，假面骑士Fourze和Go-Busters乘坐Den-Liner回到过去……

在某户武士家庭，腿脚不便的庄司佐之助（仲代达矢 饰）白发苍苍。当年哥哥成为家族的当家者，而佐之助变成了尴尬的寄食者，头靠在哥哥门下度过了大半生的时光。作为了一个被人嫌弃的老人，家族中似乎只有侄孙女美也（樱庭奈奈美 饰）对他分外亲近。一老一少心无芥蒂，有说有笑。可是从某天开始，美也的脸上失去了笑容。原来她的父亲弥兵卫（益冈彻 饰）为她安排了一门婚事，可是美也似乎心里已经有了喜欢的人。年轻时候曾有一段刻骨铭心爱情经历的佐之助，对美也感同身受。他决定帮帮这个孩子……
本片根据日本著名时代小说作家藤泽周平的同名短篇改编，由BS富士等电视台联合制作，全系列一共四部作品。