Dave, a NASA astronaut, and his co-pilot, a genetically-engineered intelligent melon, yes a melon, are preparing for the launch of the first-ever expedition to Mars.
In the tradition of classic westerns, a narrator sets up the story of a lone gunslinger who walks into a saloon. However, the people in this saloon can hear the narrator and the narrator may just be a little bit bloodthirsty.
With the ecosystem destroyed after a nuclear war, Mari, a survivor, does all she can to rebuild. When she stumbles upon a robot soldier in an abandoned city, everything changes.