Blondie and Dagwood are in charge of operations at a mountain motel. The elderly owners of the establishment are in danger of losing their life savings.
In an attempt to drive out settlers of the Los Trancos valley, through which the railroad proposes to run a line, railroad representative Clyde Barton conspires with Dirk to cause a range war between the two largest ranchers, Tom Gray and Harvey Allen.
Homesteaders are moving into the valley settled many years ago by rancher Craig Dolan. He wants to keep them out by legal means but his nephew Bart brings in outlaws to drive them out.
When American newsreel cameraman stationed in Paris is sent to cover an Arab rebellion he finds a financier presumed dead but actually fomenting desert warfare.
Young Dorothy finds herself in a magical world where she makes friends with a lion, a scarecrow and a tin man as they make their way along the yellow brick road to talk with the Wizard and ask for the things they miss most in their lives.