A simulacron, who serves as a representative of an alien species, speaks with the US Secretary of Science about their wish to purchase the planet Jupiter. While the Secretary worries about stirring up conflict between the simulacron and another species, the simulacron assures him that no harm will come to Earth, and the two eventually reach an agreement.

Over the course of millions of years, various species in the galaxy discover a human footprint on the surface of the moon and attempt to explain its origin and meaning.

Two extraterrestrial beings land on Earth in search of information and struggle to adapt.

The president of what's left of the United States desperately attempts to defend his country from the Krolp, an evil race of aliens who have proven impossible to beat.