A supersonic jet leaves the Ultra Guard Science Center in Antarctica with renowned scientist, Dr. Yushima. aboard. Heading for Japan to the Ultra Garrison command center, the jet inexplicably freezes in the air; momentarily caught in some bizarre beam. Upon his arrival, agent Furuhashi is assigned as Dr. Yushima's bodyguard. What's unknown to the Ultra crew is that Dr. Yushima is being used as a vessel for the Alien Bira, a race of beings with the intent of conquering the entire universe.
“ビラ星人登場”
天才科学者ユシマ博士が、地球防衛軍極東基地にやって来た。その目的は、博士が発明したユシマダイオードを使って、超遠距離レーダーを完成させることにあった。しかし博士はビラ星人の時間停止光線によって星人の手先となっていたのだ！
