During the First World War, Kitty Trevelyan tries to put the past troubles behind her as she joins two other girls to volunteer at one of the busy war hospitals in northern France.During the First World War, Kitty Trevelyan tries to put the past troubles behind her as she joins two other girls to volunteer at one of the busy war hospitals in northern France.During the First World War, Kitty Trevelyan tries to put the past troubles behind her as she joins two other girls to volunteer at one of the busy war hospitals in northern France.