Wealthy oil magnate Harry Mangin is in love with his competitor James Murdock's daughter Blanche. Mangin schemes to ruin Blanche's father so that the girl will be forced to accept his attention. However, Blanche loves "Sky Eye" Blake, an aviator at the adjoining U. S. aviation field. When Mangin is driven in desperation to muster his own private air force in order to destroy his rival's oil plants, "Sky Eye" takes to the skies to quell the riot. After several daring escapades, "Sky Eye" captures Mangin and wins Blanche for his bride.—AFI