Lester and Orville accidentally launch a rocket which is supposed to fly to Mars. Instead it goes to New Orleans for Mardi Gras. They are then forced by bank robber Mugsy and his pal Harry to fly to Venus where they find a civilization made up entirely of women, men having been banished.
Shrimpers and oilmen clash when an ambitious wildcatter begins constructing an off-shore oilrig.
A dedicated FBI agent recalls the agency's battles against the Klan, organized crime and Communist spies.
