Ten years have passed since the defeat of the Zangyack Empire, and the Gokaigers have seemingly disbanded and gone their separate ways. On Earth, “Super Sentai Derby Colosseum” has become the hottest gambling venue ever, with various Super Sentai battling each other for charitable causes. Suddenly, Captain Marvelous appears, issuing a challenge to the Colosseum’s administration and those who work for them... including Gai Ikari! Is it the Gokaigers or the people of Earth who have changed in the past ten years? And what of Joe, Luka, Doc, and Ahim? After ten years, an extraordinary battle is about to begin…