A multi-taleted man named Yusuke Godai gains the power of the ancient warrior "Kuuga", and with the help of officer Kaoru Ichijo, fights the murderous monsters known as the Grongi, in order to save humanity. However, things start to turn twisted when another Kuuga-like entity appears, and the police decide to build their own anti-Grongi suit. A brand new retelling of the events from the Tokusatsu Henshin Hero Series *Kamen Rider Kuuga* and *Kamen Rider Agito*.