In the aftermath of the Great War, Non Davies wakes one morning to find her husband crouching underneath the kitchen table in a cold sweat, shouldering an imaginary rifle. What has changed her Davey so completely? A clue arrives inside a mysterious letter, which takes her to London in search of the answer. When she returns home, Non finds that the dark secrets of Davey's past are working their way ever closer to the surface. She has to summon all her courage and compassion to restore her beloved husband and guard the fragile happiness of her war-weary village.