A dragon-shaped warship emerges from the shadows, intent on destroying the Mantel Plan, which is currently attempting to unify the world's energy resources. It's up to the Gatchaman to take them down before the lights go out!

The Gatchaman get help from a mysterious group calling themselves Red Impulse. Later, the Gatchaman stumble upon the secret undersea Galactor HQ!

While huge mechanical drills controlled by Galactor infiltrate the Earth's core, the Gatchaman confront Berg Katse for the final battle to decide the fate of the world!