When Henry Boone hears his grandfather's stories of his youth as a pioneer and scout, he is gripped by the fires of romance and decides to hunt adventure. Boone finds himself in an airplane carrying a military message to a leader of a revolution in a South American country. He is arrested as a spy but escapes and saves the ruler's daughter from the revolutionaries.

• Fox Film Corporation
• Tom Mix
• Claire Adams
• Hector V. Sarno
• Gretchen Hartman
• Dulcie Cooper
• Claude Payton
• Jack Rollens
• Wilbur Higby