The story is divided in three portions. The Kamen Rider Wizard portion, Kamen Rider Wizard: The Promised Place, taking place after the finale and defeating Amadum. The Kamen Rider Gaim's portion of the film is titled Kamen Rider Gaim: Sengoku Battle Royale!. A battle royale is being held exclusively for the Armored Riders in Zawame City. In the final portion of the film, titled Sengoku Movie Battle, Kamen Riders Wizard and Beast join Kamen Rider Gaim in the alternate world to stop Kamen Rider Bujin Gaim from acquiring the "ultimate power" he seeks.

In “Muse no Kagami,” Rino Sashihara plays a seemingly ordinary girl from the countryside with no special qualities. However, she encounters a former famous actor named Okita Ryu, who discovers her ability to instantly memorize lines after hearing them once and her hidden acting prowess. As a result, he decides to set her on the path towards becoming an actress.