Su Xian 'er had saved Di Renjie in the TV series " Detective Di Renjie." In the movie, Su Xian 'er was originally the Snake Spirit's killer and was sent to assassinate Di Renjie. However, while she was undercover, she was moved by Di Renjie's justice and love for the people. In the end, she chose to betray the Snake Spirit and save Di Renjie. The specific details of the rescue would need to be understood by watching the television series.
The reason Di Renjie took Su Xian 'er in was because Su Xian' er betrayed the Snake Spirit Organization in the movie, turned over a new leaf, and helped Di Renjie solve the case. Su Xian 'er was moved by Di Renjie's sincerity during her undercover period and gradually fell in love with Li Yuanfang. Because of her betrayal and help, Di Renjie recognized her change and regarded her as his niece. Thus, Di Renjie took Su Xian 'er in out of gratitude and recognition.
Yu Su was a character in the TV series " The Case of Tang Di Gong ", played by the actress, Claras. In the play, Yu Su knew a secret and revealed it to Di Renjie before she died. Di Renjie used this opportunity to reveal the secret and successfully solved the entire case. However, Yu Su's identity and background were not mentioned in the search results provided.
General Su was a character in the TV series " Detective Di Renjie." His real name was Su Xianer. He was a first-class killer among the snake spirits and was good at using willow leaf double knives. She was originally a capable subordinate trained by the snake spirit's elder sister, Xiao Qingfang. Later, she was sent to impersonate Di Renjie's niece, Ruyan, to spy beside Di Gong. However, Su Xian 'er fell in love with Li Yuanfang, the captain of Di Gong's guards, and was moved by Di Gong's sincerity. Therefore, she betrayed the Snake Spirit and turned over a new leaf. Di Gong recognized her as his niece. Later, Su Xian 'er was officially named Di Ruyan by Wu Zetian because she had saved the emperor at Cold Light Temple. From then on, Ru Yan followed Di Gong around to solve cases and became Di Gong's right-hand man.
Su Xian 'er was played by Jiang Xinyan in Detective Di Renjie.
Su Xian 'er's ending in Detective Di Renjie was that she eventually betrayed the Spirit Snake and turned over a new leaf. Di Renjie thought that she was his niece and named her Di Ruyan. From then on, she followed Di Renjie to solve cases and became his right-hand man. However, there was no mention of Su Xian 'er's ending or subsequent developments in the search results.
Li Xian was the Crown Prince in the TV series " Detective Di Renjie's Prequel." He was framed in the drama and lost his position as the Crown Prince. According to the plot, Crown Prince Li Xian was framed by a conspiracy in the process of Li Zhi, Emperor Gaozong of the Tang Dynasty, going to Mount Tai to worship heaven in 680 AD, which changed his fate. As for the details of Li Xian's ending and the reason for his re-establishment as the Crown Prince, they might need to watch the follow-up content of the series to know.
Wei Er was the bad guy in Detective Di Renjie 3. In the movie, Wei Er was a Qian level Paladin of the Black Man Society. She and the Black Man Heavenly King were undercover beside Di Renjie to help him complete his plan. In the end, she and the Black Clothes Heavenly King committed suicide together, and the Black Clothes Society was destroyed.
Su Xian 'er was played by Jiang Xinyan and Qu Zha Zha in the TV series " Detective Di Renjie: Part Two " and " The Godly Judgment of Di Renjie."
Prince Li Xian was a character in the TV series Detective Di Renjie. He was the third son of Wu Zetian and was appointed as the Crown Prince of Wu Zhou. In the play, Prince Li Xian was imprisoned and faced a crisis of survival, but was saved by Di Renjie in the end. Crown Prince Li Xian was in a precarious situation because of Wu Zetian's distrust of him. In addition, the descendants of the Li family had rebelled many times in an attempt to take back the Li family's territory. Di Renjie had always tried his best to protect the Crown Prince, Li Xian. In order to restore Li Tang's rule, he insisted on making Li Xian the Crown Prince. Di Renjie believed that Li Xian was one of the important candidates to restore Li Tang. Moreover, Li Xian was also the eldest son of the direct heir, so he was close to the top. In addition, Wu Zetian seemed to be more inclined towards Li Xian. In short, Prince Li Xian played an important role in Detective Di Renjie. His survival and restoration were crucial to the development of the plot.
There was no clear information about Li Xian's ending in Detective Di Renjie. The plot mentioned that Li Xian was framed by a conspiracy and lost his position as the Crown Prince, but the specific ending could only be known by watching the follow-up content of the series. Therefore, there was not enough information about Li Xian's ending to answer this question.