Eleanor, descendant of a fallen marquis, is forced to wed Baron William, who with his parents seizes her dowry and estate. While William fights at war, she has a three-year secret romance with castle attendant Alexander, unaware he is a prince in disguise. William returns with his pregnant lover Lillian and humiliates her. At a royal banquet, Eleanor presents accounts and files for divorce. Alexander reveals his royal identity to back her. She wins her property back, inherits the marquis title, and marries Alexander with the queen’s approval.