Brought together by a mysterious song, a grad student and an engineer lead the fight against an unimaginable force that may spell doom for the world.
Back at Ashihara’s mansion, Yun and Haberu attempt to decipher the professor’s research using Jet Jaguar. In India, Lina takes Mei to meet with BB.
Mei, BB and Pelops II attempt to prevent the Catastrophe, but Salunga ambushes them. Meanwhile, the Otaki crew make their final push toward Godzilla.
Mei learns of a large explosion triggered by Ashihara's calculator long ago. Kanoko gives Matsubara the Orthogonal Diagonalizer to use against Godzilla.
Before heading to the Super Dimension Calculator, BB offers Mei a view of the Singular Point. The Otaki crew leave for Tokyo to destroy Godzilla.