A young French girl falls in love with an English flight pilot during World War I.

Seven young English aviators are billeted at the Berthelot farm near the French front. One of the flyers, Philip Blythe, falls in love with farmer Berthelot's daughter, Jeannie, and on the morning before a dangerous mission declares his love for her. Philip is shot down, and Jeannie helps an ambulance crew to extricate his apparently lifeless body from the wrecked plane. In the following weeks, Jeannie searches in vain in all of the military army hospitals for Philip. She does encounter Philip's father, who, disapproving of her lowly origins, falsely informs her that Philip has died. In farewell, Jeannie sends a bouquet of lilacs to his room, and Philip, recognizing the flowers as her gift, painfully drags himself to his window in time to call her back to him.