The aristocratic girl Qilia and the foreigner Qixiu were classmates, and they were deeply in love. Unexpectedly, Qixiu was an undercover agent of the enemy country. Under his arrangement, Qilia's country was destroyed and her family was destroyed. In order to prevent Qilia from being raped to death, Qixiu married Qilia. Qilia became the princess, but she began to plan a shocking conspiracy.