Terrestrial Defense Force presumed that incidents of human disappearing is done by aliens, and sent out the elite team Ultra Guard for investigation.

A powerful alien teams up with an elite military force to defend Earth from monstrous threats.

Dan and Furuhashi head towards Kisodani for investigation of a mysterious object that fell down; the object was found out to be a spaceship, and a girl from the spaceship stole Dan's Ultra Eye.

Nuclear ship Max, the most advanced scientific research ship of TDF, went on an investigation of the serial ship disappearing incidents.

World-famous scientist Professor Yushima came to Japan to attach the Yushima Diode to the TDF far east base.

A black shadow appeared in Anne's private room; the shadow told Anne that he was an alien, but had no intention to harm humans.