The Movie War website releases a description about the movie:
The last runway for Gaim. The greatest case for Drive.
The “Movie Wars” tradition has brought together Kamen Riders along their history to fight together and pass on the spirit of Justice.
A new page will be added to this history.
Gaim, on its way to the climax already has a new challenge beyond his last stage.
The new warrior, Drive, appears on a car, breaking previous conceptions.
As a police detective Rider, his job will be solve the mysterious cases that arise.
When their paths cross, an unpredictable non-stop fruit-car battle will take place!
The movie will be released December 13. Pre-sale tickets will be available in Japan anywhere tickets are sold and comes with a free Gaim or Drive reflector keychain.
All English translations are accredited to The Tokusatsu Network staff members. Please do not repost without crediting and directly linking back to the original Tokusatsu Network article.
Source and Image Credit: Kamen Rider Gaim x Kamen Rider Drive Movie War Official Website