Thérèse kills her lover during the very night of her wedding to the count of Vétheul. To gain a night with her, a modest local worker agrees to bury the body.

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.

In pre-World Ward I in Paris, a budding artist, Pierre LeBlanc, falls in love and marries Janine, a dressmaker's assistant. Pierre has a flair for designing clothes, and he and his bride live in a blissful paradise, until the war breaks out and he becomes a soldier. Janine dies in childbirth and, no longer desiring to live, Pierre volunteers for a dangerous patrol behind German lines. While recuperating in the hospital from a wound he received on the mission, Pierre spends his time drawing sketches of dresses. He becomes rich and famous after the war. Years later, after devoting himself to his daughter, Pierre seeks a marriage with a girl no older than his daughter. A conflict develops and to ensure his daughter's happiness, Pierre sacrifices his own plans.