A hundred years into the future, global warming has turned the Earth into a dust bowl. In order to combat the problem of overpopulation, all sexual congress has been outlawed. From Earth Station Central, three female-starved male scientists are shot into space to fix a sewage problem on an outlying space station. After quickly fixing the plumbing, they decide to break the rules and fly on to a remote and mysterious planet. It is rumored that a tribe of beautiful Amazon women whose very existence is solely to satisfy men s desires inhabits the planet. On reaching their destination the scientists discover that there are unexpected complications. Not only are the women controlled by an aggressive robot-pimp named Roo, but the planet is also overrun with giant prehistoric monsters, including the deadly man-eating vagisaur.