The Dragon King, an enormous warship blazes a path of destruction towards The Mantle Plan, a network unifying the World's energy resources. The only hope to stop this monster is the Science Ninja Team Gatchaman! The Gatchaman team discovers the secret undersea base of the Galactor and in a ferocious air and undersea battle, Gatchaman finds new enemies and allies. When the Galactor forces initiate their plan for the ultimate subjugation of the human race will the Gatchaman be able to pull together and save the world with the help of their mysterious ally, the Red Specter?