Detective Kenichi Itami from the The National Police Agency and Akira Iwatsuki from the cyber investigation team investigate a complex murder case. The victim was under investigation by the cyber investigation team. As Detective Kenichi Itami and Akira Iwatsuki delve deeper into the case, pressure from around makes their investigation even more difficult. Secretly, a national financial doomsday scenario is carried out under the plan of “X Day”.

The Earth is headed for disaster and when an archeological research team visits Infant Island to find out why, they discover two tiny women who reveal that the Earth is fighting back for all the harm humans have done here and sends out the evil Battra to destroy us. The Cosmos, as the girls are called, offer their help by calling Mothra to battle the creature. Unfortunately, Godzilla also appears and a three way battle begins that threatens to destroy Japan.