警察厅遭到炸毁，执行犯竟指向万津莫（今井龙太郎饰）。国家公安委员会随即向怪事课下达逮捕令，但小鹰贤政（古川雄辉饰）与富士见、成华坚信其清白，一直在暗中追踪真凶。与此同时，国家公安委员长玖门宗马向全国宣告万津莫及其所属的情报机关CODE为国民公敌，大众的仇恨被不断激化。在一片混乱中，小鹰终于锁定了幕后黑手——能够驱使白日梦的压倒性强者“假面骑士梦现”。莫与小鹰共同挺身对抗，却被逼入绝境。面对即将大白的恐怖计划，莫在走向崩溃的世界中做出了无情的决断。

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.

In a world shaped by the dreams we see in our sleep, Zeztz enters people's dreams as an agent on a mission. Equipped with a cutting-edge Rider belt worn across the chest, Zeztz brings a bold new form to the battle.