What is the identity of the Millennium in Jian 'an Biography? Why is the Millennium blackened?

In the TV series Jian 'an Biography, Bailu is the cousin of the heroine Jiang Baoning. In the play, Bailu is also a princess, but the identity of the princess is not as noble as that of the heroine Jiang Baoning. The Millennium was canonized as a princess by the emperor because of the light of Jiang Baoning. The Millennium knows that his family is protected by Jiang Baoning, and he also takes care of his cousin Jiang Baoning.

The Millennium is a very gentle woman in the play. The Millennium is very concerned about her sister Jiang Baoning's marriage. The Millennium hopes that Jiang Baoning can live the life he wants. When Bailu learned that Jiang Baoning liked Li Qian, a bodyguard, he always tried to help them get together.

In order to break off the engagement with the emperor, Jiang Baoning thought of a way to kill two birds with one stone. He not only broke off his engagement with the emperor, but also married his grandmother to himself and Li Xi. Jiang Baoning's plan was successfully implemented with the help of the Millennium, and Jiang Baoning finally came together with Li Xi. After seeing Jiang Baoning's happiness, the Millennium was also very anxious. In the play, the Millennium likes to owe Cao Xuan.

After Jiang Baoning and Li Xi are together, she hopes to help the Millennium and Cao Xuan get together. Although Jiang Baoning felt that Cao Xuan's family background was not worthy of the Millennium, she helped the Millennium to achieve happiness. With the help of Jiang Baoning, Bailu bribed the temple fortune teller to cheat his parents. The Millennium asked the fortune teller to deceive his parents and convince them that Cao Xuan was the one who was destined for the Millennium.

The Millennium finally succeeded in marrying Cao Xuan and became the eldest daughter-in-law of the Cao family, but the Millennium has been bullied by the Cao family since she married the Cao family. Although the Millennium is weak in character, she has learned a lot from Jiang Baoning for a long time. In order to keep her position in the Cao family, Essence was blackened in the following plot. In order to get pregnant with Cao Xuan's child, the Millennium tried every means. After Cao Jia knew this, he has been cracking down on the Millennium, and the Millennium will also be hacked to save his children.