Tagg finds a wounded man wandering about the desert and suffering from amnesia. Then Annie and Lofty discover his picture on a wanted poster.
Annie and friends use the West's first telephone to organize settlers against menacing Native Americans.
When a former Rough Rider is accused of killing a Native American, Annie tries to get to him before some outraged red men do.
Annie must deal with a tenderfoot who just came west from Mississippi and feels compelled to prove his bravery.
Annie and Lofty go after outlaws who robbed a bank and killed a sheriff while a wedding was taking place.
Annie and her pals come to the aid of homesteaders who are being pressured to sell their land for far less than its fair market value.
The you know what hits the fan when Tagg is named as temporary sheriff of Diablo.
Annie goes after a childhood sweetie who's now an outlaw.
Annie and Lofty stage a charity prizefight to raise money for Diablo's new school but robbers target the box office receipts.
A Dutch immigrant claims to have invented a new type of rifle and he wants Annie to test it.
Annie and Lofty pursue a sheriff's killer while Tagg plays matchmaker for his shy teacher.