Gandy reads a book about detectives and decides he should become one. He wears a Sherlock Holmes-style cap and uses a magnifying glass, but he encounters movie monsters like Frankenstein and Dracula out in the woods.
In this sequel to Four Daughters, Ann struggles to move on after the death of her husband as she falls in love with Felix, but on the day of her engagement discovers that she carries Mickey's child.
The feisty boss of a chain of cafes wants to push the youngest of her daughters off on a husband, who would be well-suited to take over the business one day.
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.
Jerry tries to out compete his older brother Cass, a lieutenant Naval aviator. Cass is both tough on and protective of his brother, but Jerry can give it right back.
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.