Belgium, 1917. At a military hospital close to the horrors of the front line, Sister Helen Chalmers strives to save the many injured soldiers brought in from battle. The need for comfort in the face of war throws Helen into the arms of the surgeon Captain Richard Carson – although she knows a romance with a married man will never last. But before long Helen is swept off her feet by Captain James Havers, with whom she can see a future. But Helen must summon what strength she can to help the man she loves overcome the lasting and devastating effects of war.