In the fourteenth year of Rongli, the fourteen tribes in Mobei rebelled. The imperial court sent troops to annihilate them, and blood flowed like rivers. King Jing was convicted of collaborating with the enemy.
Eight years later, Xiao Yu, the eldest daughter of King Ding'an, came to Beijing. She wanted to find out the truth about the past and clear her mother's father and brother's innocence. She married into the Prince of Huai's palace and joined forces with Prince Gu Qifeng of Huai to vindicate the old case and clear up the injustice.
There is a beautiful line that promotes the plot.
Purpose: Distinguish between loyalty and treachery, and do not seek fame and fortune