1923: The Great War has ended, but for three young Irish-Americans, the fight at home has just begun with a daunting foe: the Ku Klux Klan. As America returns to peace and prosperity, the Ku Klux Klan arrives in Colorado. As its membership grows, the Klan rises to political power through intimidation of its enemies and violence. For Kathleen O'Doherty, the Klan threatens what she values most: family and faith. Still grieving for those she lost during the war, she must make a choice that she never thought possible. Her cousin, Sean Sullivan, comes home from France a war hero-a distinction he would rather forget. Yet his newly-found status as enemy of the Klan upends his determination to live peacefully and purposefully. Meanwhile, his sister, Maggie struggles to maintain the secret life that she chose before the war. Wife, mother, caregiver, writer-she finds herself longing for escape and a new romance. Love comes to all of them in unexpected ways, only to be imperiled by secrets and scandal. Set amid the glamor of the Roaring Twenties and chronicling an unforgettable era in Colorado's history, To Walk Humbly brings the characters of the White Winter Trilogy to their destiny.