Datang: My Identity as Crown Prince Has Been Exposed

At the beginning of the tenth year of Zhenguan, Li Qi, the successor who had high hopes for Li Shimin, passed away and was buried in Nanshan Mausoleum. The next month, the body disappeared Eight years later, a man who looked exactly like Li Qi appeared in Gusu City Conspiracy, family affection, human nature, and death are complicated and intertwined. What is it that is hidden in the darkness?