An engaging and touching story of an unlikely friendship between a lady and a maid on the threshold of the First World War. Despite the threat of war in Europe in 1914, Pearl Gibson's future is bright. She has secured a position as a chambermaid in a wealthy Northumberland noble family, and this position will bring her not only respect, but also the opportunity to travel and live in luxury. Her new life at Lady Ottoline Campbell's Scottish summer home is a whirlwind of intrigue and glitz, scandal and confidante - and surprisingly, she becomes close friends with her employer in the process. But when violence breaks out in Europe, both Pearl and Ottoline's lives change irreversibly. When their men are called to the front, leaving them waiting for bad news, Pearl realizes she has one last secret to share with her mistress - one that will bind them together forever.