What is the relationship between Princess Xiping and the emperor?

1. Princess Xiping is the daughter of Emperor's nephew Wenzong, and Chang Wang is the son of Wuzong. Therefore, according to seniority, both brother and sister should call Tang Xuanzong "Thirteen Grandfathers".

2. An Imperial Short Story is a sweet detective comedy produced by Penguin Film and Linghe Culture, directed by Lou Jian, starring Su Xiaotong and Zhao.

3. The play is adapted from a novel of the same name written by a carefree girl named Yu Ci Xiao Zuo. It tells the story of Chuchu, a girl from a Zuo Zuo family in the southwest mountainous area, who came to Chang 'an alone to realize her dream, took a left-room exam, and met Xiao Jinyu, the king of An Jun with outstanding achievements.

4. Xiao Jinyu called Chu Chu, Jing Yi, Leng Yue and others as partners and uncovered the secret. With the cracking of one case after another, the team solved the mystery step by step and finally cracked the story of a shocking case that lasted for 18 years.