The modern white-bone spirit Junsui accidentally traveled to the devastated era after the Fourth World War and became the most noble princess at that time who was assassinated, He Ruojunsui. Seven years later, she had to fight a conspiracy with a sinister prince because of national interests. In the process of dealing with him, she was able to feel the person behind this man who was gentle but had to value his rights, but she could not control her heart from getting lost. The grievances of the four kingdoms, the hatred of the family and the country, and the blood ties of the wealthy family, who will take the initiative?