Marion Cheyne is young, poor and ambitious. Her humble village roots and poorly paid job offer few opportunities and Marion feels trapped in a dead-end existence. So when an unexpected chance to escape presents itself, Marion grabs it, ignoring the moral implications of her actions, and sets out on a new life far away in Aberdeen. Years later and the struggling servant girl Marion has been transformed into Marianne, wife of the heir to Castle Lyall, and every inch the lady of the glen. More a business arrangement than a love match, Marianne's commitment to her role and to the name of Lyall is total, and as family, friends and world wars come and go, she will stop at nothing to protect her hard-won position. But the many secrets of her past refuse to stay safely buried. Nothing in the small community of the glen can remain hidden forever...