[1] In the years before the United States' involvement in World War I, John Merrick and Jerry Somers, attachés to the American embassy in Vienna, attend an elaborate fundraiser at the aristocratic Walden home, where John meets the countess Vilma Walden and romance blooms.

After duty in France, John is transferred to the Italian front where he faces an enemy squadron led by Wolke and his ace pilot Carl.

In the air over the Italian Alps, John spots Wolke's aircraft and downs it, landing nearby to try to rescue the pilot.

[3] Garland Lincoln and Frank Clarke performed the flying maneuvers in the aerial battles over the San Gabriel Mountains east of the Los Angeles Basin.

In a contemporary review for The New York Times, critic Mordaunt Hall wrote: "It is a mildly entertaining affair, with some excellent flying scenes that are presumed to be in the Italian Alps.