In 1914, in the first months of World War I, Louise Jarraud loses her husband, killed on the front. Shortly after, she gives birth to a baby, who soon dies. Devastated by this double misfortune, Louise decides to dedicate her life to caring for the children of others. She becomes a nurse with several employers, giving her affection to little boys or girls. A widower and another man propose to her but she refuses twice determined as she is to live only for the children in her charge.