18-year-old Nancy Hawthorne, a young English girl is raised in seclusion by her artist father, but finally goes to Paris to study and meets Cornelia Evans, an American art student. At a party for Cornelia's brother Nancy meets Bob Whittaker and falls hard for him. They spend a weekend together at the beach, where their feelings for each other intensify, but Bob feels unworthy of her and contrives to be seen in an affectionate pose with another girl, Heloise, which demolishes Nancy's illusions. Heartbroken Nancy enlists as an ambulance driver at the outbreak of war eventually reuniting with Bob on the battlefields of France. They marry before his regiment leaves for the front.