Leslie Nielsen yet again plays a bumbling detective in the vein of the'Naked Gun' movies, but this time as Marshall Richard'Dick' Dix. When odd reports are received through official channels stating that the President of the United States has been held captive to a secret international moon base called Vegan and he has been replaced on the planet by way of a clone, the US Marshall Service immediately sends their'best' person, Dix, to the mission. Dix travels to Vegan to rescue the presidentbut is quickly tricked and ends up arriving to Earth where he matches both the clone-president and removes the real one. The Dix must find a solution to restore the actual president before the Earth is taken over by aliens, and restore a belief in truth, justice and the American way.