Sophia, the illegitimate daughter of the Russian Tsar Alexander Pavlovich and his favorite Princess Maria, comes to England, to the estate of Duke Stephen of Huntly, on a secret mission. She must find and steal the letters that Maria sent in her youth to her friend, Stefan's now deceased mother. Those long-ago revelations may now turn into a political scandal. The girl is disgusted by her unseemly role, but she must complete the task. Fascinated by the impeccable beauty of her unexpected guest, intrigued by the atmosphere of mystery surrounding her, Stefan is passionately in love, but realizes that both he and Sophia are stuck in a web of duplicity and lies. And when the girl disappears under strange circumstances, he is faced with a dilemma - rush to help or forget. Only love will help you make a choice.