Emperor Wang (the Perverted) is leader of the planet Porno and sends his mighty "Sex Ray" towards Earth, turning everyone into sex-mad fiends. Only one man can save the Earth, football player Flesh Gordon. Along with his girlfriend Dale Ardor and Professor Flexi-Jerkoff, they set off towards the source of the Sex Ray, unaware of the perils that face them!

A collection of vintage erotica from Hollywood movies is intercut with street interviews and newsreel footage.