A group of varied misfits (including a former prostitute/stripper and a bumbler who can't see more than 6 inches in front of his face) enter a school to become flight attendants. Somehow, the group makes it through to the final test: a cross-country flight.
When her archaeologist father disappears on an expedition, Wanda sets out to look for him. What she finds is a secret underground world, where no one believes in life on the surface and where she and her father are taken for spies.