Summer 1914. Irène Curie is a 17-year-old girl spending her holidays in Brittany and also the daughter of Nobel prize scientist Marie Curie. When WW1 breaks, Marie leaves for the front line hospitals to be useful and Irène decides to join her. Marie’s ambition is to help doctors and surgeons by convincing them to use X-rays, a technology she masters, for diagnosis. Combining their efforts, Irène and Marie will fight patriarchy and overcome technical issues and rivalries. Irène will finally connect emotionally with her impressive mother. Facing the difficulties of war, she will grow up to become the strong independent woman she wants to be.