After capturing Eon Green, DRF forces are amassing around Toa Heavy Industry headquarters and have taken Dr. Kurokawa and his daughter into custody. Zoichi must attempt a rescue - Dr. Kurokawa's laboratory may yield critical information on Eon Green. Elsewhere, Toa Heavy Industry agent Nishu Mizunoe searches for Kozlov Grebnev and the secrets he knows about the DRF's research, origins and their apocalyptic plan for the entire human race!