Doris Parker, the daughter of an American Marine Officer, becomes Harry Townsend's pen pal. Harry is a young American soldier with no family who has gone to fight in France. As they exchange letters, Doris falls for Harry, despite advances made by Jack Tims, a captain of the Royal Navy training...
Leroy Trenchard loves Therese Verneuil, and when Leroy enters the army goes to France to fight, Therese follows as a Red Cross nurse. But suspicion arises that Therese is actually Princess Sonia, a German spy.
