"After the devastating atomic war that ravaged the Earth from 2248 to 2250, a group of veterans, tired of war, colonized an asteroid and named it Pax...they were determined to live in peace, but had not reckoned with...The Invaders!" Conrad and Stella consider the bright future for the settlers of the asteroid Pax. While they appreciate the view of the nearby planet Earth, Weber arrives to tell them of an approaching spacecraft.