Astronaut Don Quick and his sergeant Sam Czopanser land on a planet with two vastly different races: one is technologically advanced and is warlike, addicted to human sacrifices; the others beings of peace and sensitively, living in a dream world. Quick decides to reform them.

Quick and Czopanser arrive on the planet Ophiuchus and leave their rocket in the care of an alcoholic robot.

Our intrepid heroes set foot on Melkion 5, where the population live in 2,000 storey high skyscrapers using the caste system.

Quick and Czopanser encounter a planet populated only by beautiful women. However, the planet holds hidden dangers as an astronaut who landed a generation ago proves, as he is now only six inches tall.

Quick and Czopanser's rocket lands in a live volcano crater. The latter is convinced he's dead and in the afterlife. They meet an assortment of gods who–unknown to them–have made them immune to the heat so they can survive. Therefore, Quick thinks the volcano is not real.

On a planet with many beautiful people and lush vegetation, night and winter have been abolished in this paradise but Quick decides to change a thing or two with disastrous results.