Out of the blue, war is declared, making two otherwise friendly neighbouring nations deadly enemies. Amid the inferno, finding themselves on different sides of the conflict, Elsa and Alexis are forced to call off their engagement.
Movie mogul Thomas H. Ince may well have been the director of The Despoiler as indicated by the credits; but since Ince was known far and wide as a glory-hogger, it's also possible that one of his talented lieutenants wielded the megaphone.
Emphasizing themes of female independence and the esteem due to the men serving in the armed forces, the plot involves a strong-willed young woman (Agnes Vernon) who defies her father in order to marry a soldier (Hobart Henly) instead of the well-to-do suitor preferred by her father.