Wuyou avoided the abrupt Qianye Prince Tuoba Yu and went to the Seventh Prince's Mansion to find the Seventh Princess, asking the Emperor's sister-in-law to help him escape the marriage and elope. Before Wuyou came, the aunt of Concubine Yun came to Yue'er with a letter from Concubine Yun. Concubine Yun revealed to Yue'er that she was a descendant of Tianmen, and in exchange for the secret of Tianmen's treasure, she asked Yue'er to help Wuyou escape the fate of marriage. In fact, even if Concubine Yun didn't ask her, she planned to help Wuyou escape the fate of marriage, but the fact that Concubine Yun was a descendant of Tianmen was really a pleasant surprise. After Yue'er persuaded Wuyou to return to the palace, she began to plan...