She was originally the legitimate daughter of the Hou family, but after her entire family was wiped out, she became a secret guard for the powerful officials of the enemy country. Seven years later, she returned with a new identity to seek revenge, but she reunited with the "culprit" in the family murder case - the current regent. He regretted it so much that he begged for forgiveness, but her heart had long been devoted to the gentle and miraculous doctor who had been protecting her.
Yes, it's pretty good-looking.
I like to look good, wow