Yun, Goro, and the robot Jet Jaguar clash with the hostile pterosaur-like monster Rodan. Mei travels to Tokyo to meet with a world renowned researcher.
Yun and Haberu deduce that Misakioku may be linked to the Rodan incursion. Mei attends Li's lecture in Dubai, where the professor reveals new material.
Mei learns of a large explosion triggered by Ashihara's calculator long ago. Kanoko gives Matsubara the Orthogonal Diagonalizer to use against Godzilla.