When Robert McQueen's enemy washes ashore beneath his castle, he seizes the opportunity to seek revenge by holding Sir John prisoner. When she learns of her father's predicament, Lady Anne Crofton goes Blackness Castle to plead for her father's life, offering to take his place. Determined to make her father suffer, McQueen accepts, with one condition.Lady Anne must marry him. He never dreamed that in taking his revenge he would find the happiness that always seemed beyond his reach.