On a summer day, a plane landing at Haneda Airport suddenly freezes in the air and drops to the tarmac. As emergency vehicles respond, the airport begins to freeze over. After a nuclear reactor explodes near the South Pole, Jun postulates that Peguila may be migrating to the North Pole. Suddenly, the monster lands in the middle of the city and begins to turn the metropolis into a frozen wasteland.

One night, a strange man dressed in black steals the sample of Tilsonite stored in the vaults of the Astrophysics Research Center. Professor Ichinotani alerts Yuriko, Jun, and Ippei of the theft, and that the "Electronic Brain" has started transmitting radio waves into space. Scientists detect a cluster of Garadamas heading to Earth, with Tokyo as their target.