A group of US Marines are stationed in a Central American country, training local soldiers and supporting the government. However, a band of outlaws is wreaking havoc, sparking a revolution. The leader of the training, Darrick, is torn between his duty and his feelings for American Joan Grant. Complicating matters are the arrival of a new pilot, Malone, and the re-emergence of Darrick's former lover, Theresa. When Joan's plantation is attacked, she flees to the garrison, and the Marines launch a search for the outlaws and their elusive leader. Meanwhile, Darrick and Malone find themselves vying for Joan's affections.
The Marines Fly High
In the heart of the South American jungle, two Marine lieutenants engage in a fierce battle against ruthless bandits, as their rivalry for the enchanting Joan Grant reaches a boiling point.