Anger at her cheating husband spurs grieving war widow Rosemary Hopkins to spend an impromptu night with an overseas-bound soldier. Fearing her small hometown will discover her secret, she makes him promise to not write her. Yet she can't forget him. Eager to talk to a pretty girl before shipping out to fight the Germans, Guy Nolan impulsively implies they're married and buys her ticket. The encounter transforms into the most memorable night of his life when he falls for a woman he will never see again. While Guy tries to stay alive in combat, Rosemary finds work in a secret defense plant and a possible future with another soldier. Will she choose security or passion? Can she survive another loss?