Assuming the guise of human criminal Toshio Miwa, Roidmude 077 used the Beast Gaia Memory to murder someone, leading to both the Futo City Police Department and the Special Investigation Unit investigating the matter. After Shinnosuke, Go and Terui discover that 077 is the culprit of the murder, 077 uses his Gaia Memory to transform into Beast Dopant. Shinnosuke and Go transformed into Kamen Riders Drive and Mach but are beaten. However, Terui transforms into Kamen Rider Accel to provide assistance to his fellow Kamen Riders and Drive and Accel use their Double Rider Kick to destroy 077. Accel then orders the two to go and help Chase, which Drive and Mach do.