Jacks-of-all-trades Yun and Haberu investigate sounds emanating from an empty mansion. They locate the source nearby, while Mei hears the same tune.

A legion of Rodan swarm towards Nigashio. The Otaki Factory crew scramble to lure them away from the city, but soon find themselves surrounded.

Ground forces under the command of Matsubara respond to Godzilla's attack on Tokyo. Now in London, Mei attempts to decipher Ashihara's research.

Mei learns of a large explosion triggered by Ashihara's calculator long ago. Kanoko gives Matsubara the Orthogonal Diagonalizer to use against Godzilla.