The novel takes place in England at the beginning of the 15th century. Lady Tess Farnsverse bitterly obeyed the royal decree to marry a man whom she hated with all her soul. The powerful and handsome Count Isterby turned away from the girl at a tragic moment for her. Tess's only consolation was the opportunity to take revenge, and she decided to seduce the count and then destroy him. Too late she realized that her own heart was in danger.