But the police now have a power to fight back with the G3 powersuit, which were originally made to fight against the Unidentified Lifeforms, the enemies of Kamen Rider Kuuga. G3 and Agito work together to solve their own mysteries: defeat the enemy or combat each other? It gets complicated with the appearance of Kamen Rider Gills, who is investigating his father's suicide.
[Source: SciFi Japan]