William Duncan

Hopalong Cassidy deals with problems at a local school involving cattle theft and the arrival of a new teacher.

While on a job rounding up horses on a ranch, Nevada and his sidekick Weary Pierce hijack stolen bank loot from Les Setter and his gang.

Hoppy and Lucky are headed to South America to deliver a herd of cattle, but bad guy Ralph Merritt will stop at nothing to get in their way.