Because of an accident, a wealthy lady and a genius girl traveled to an unknown time and space.
Possessed by a foreign girl, she was used by the king as a shield for his marriage.
Next, she used her wisdom and modern skills to make this country a real power.
She and him are attracted to each other, but she dare not love because of the boundaries of time and space;
He was forced not to love because of his vow.
But why do you still face so many setbacks after admitting your feelings?