Dimension Police top agent Ai (Nao Nagasawa) travels to a parellel dimension to catch a criminal from a different world. When she is about to catch the criminal, her former partner Yui (Ayumi Kinoshita) appears. Yui is now a member of the terrorist organisation "Dauto". Haruka (Yuko Takayama), who possesses psychic powers, becomes the target of "Dauto". In order to protect Haruka, Ai travels to a "fairy" world. There Ai meets Yui again.