When the president of the United States is kidnapped by aliens and replaced with a clone, the police call on Marshall "Dick" Dix (Nielsen) of the International Security Force to he lp rescue him--and quickly, before they clone the rest of the world's leaders. With the f ate of the world in his clumsy hands, Dix heads to the planet Vegan, a very strange place run by an evil doctor and inhabited by aliens who, having learned to speak English from wa tching television, all talk like different movie stars. After engaging in some freaky lun ar socializing, Dix joins forces with sexy officer Cassandra Menage (Ophélie Winter) and m aster of disguise Captain di Pasquale (Ezio Greggio) to rescue the saxophone-playing presi dent. They return to Washington, D.C., and accomplish their mission of replacing the clon ed president with the real president. Or do they?