Reporters Clark Kent and Lois Lane arrive in the small town of Silsby to witness the drilling of the world's deepest oil well. The drill, however, has penetrated the underground home of a race of small, furry people who then come to the surface at night to look around. The fact that they glow in the dark scares the townfolk, who form a mob, led by the vicious Luke Benson, intent on killing the strange people. Only Superman has a chance to prevent this tragedy.

Showgirl Maisie Ravier finds herself once again out of work. She meets a wealthy playboy who hires her to be his family's new maid. Maisie soon finds herself trying to mend the family's many problems.

Using a conventional Western story with an all dwarf cast, the filmmakers were able to showcase gags such as cowboys entering the local saloon by walking under the swinging doors, and pint-sized cowboys galloping around on Shetland ponies while roping calves.

A priceless Cellini silver cup is stolen from a local museum with both Hildegarde and Oscar on the case.