As a mysterious sex ray from outer space sends earthlings into an unrestrained sexual frenzy, it is up to Flesh, the son of the renowned physicist, Professor Gordon, to shed light on the knotty mystery. Now, with the aid of his voluptuous companion, Dale Ardor, and the mad scientist, Dr Flexi Jerkoff, bold Flesh Gordon ventures into the unknown, where no man has gone before: the distant Planet Porno, the realm of the evil megalomaniac, Emperor Wang the Perverted. But there, unspeakable horrors and endless pleasure await. Can Flesh thwart Wang's wicked plans?