Shuangjie·he·Shuangqiang
Lingguo signed a contract with the Yin Dynasty a hundred years ago, and marriages are held every fifty years. The princess of Lingguo is married to the royal family of Yin Dynasty. Yunjian is the only princess of Lingguo now. She is married to the crown prince of Yin Dynasty, Li Dufeng. In order to ensure the smooth accession of the prince and to investigate the truth about Yunjian's mother, Yunjian made a deal with Li Dufeng. What kind of conspiracy is behind this transaction?
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