In the year 2020 an organization called the GGP has taken control of the world. In Japan, this has been met with insurgency by the university students. One of these students is Rin Ogata, a once promising ballet dancer who has suffered a career-ending injury. She stumbles across a transforming motorcycle-like robot vehicle and discovers that her unique skills, grace and agility make her a natural to ride the Rideback and fight back against the GGP.