Movie Story : In 2050, humanity has been wiped out, and the final survivors send themselves back in time to halt Killgis, an alien invader. With help from roboticist Kenichiro Kurenai, they begin constructing a colossal robot called Red Baron in the past. Its pilot must race the clock alongside enhanced human fighters to uncover the alien's identity, and the struggle erupts into a fierce battle in Tokyo that will decide the fate of Earth.