In Di Renjie's second movie, Ruyan was originally a bad person. She was originally a member of the Snake Spirit Organization and was sent to Di Renjie's side to spy and steal information. However, as time passed, her heart was gradually moved by Di Renjie and Li Yuanfang's sincerity. She eventually turned over a new leaf and was recognized as Di Renjie's niece. She helped Di Renjie solve the case in the play and was appreciated by Wu Zetian. Therefore, it could be said that Ruyan in Di Renjie's second movie eventually became a good person.
Di Renjie's Ruyan was originally a bad person. She was originally a member of the Snake Spirit Organization and was sent to Di Renjie to spy and steal information. However, as time passed, her heart was gradually moved by Di Renjie and Li Yuanfang's sincerity. She eventually turned over a new leaf and was recognized as Di Renjie's niece. She helped Di Renjie solve the case in the play and was appreciated by Wu Zetian. Therefore, Ruyan in Di Renjie could be said to have changed from a bad person to a good person.
Jiang Xinyan played Ruyan in Di Renjie's second movie.
In the TV series Detective Di Renjie II, Di Ruyan was a bad person at first, but later she turned into a good person. She was originally a female killer from the Snake Spirit Organization, Su Xian 'er. She was responsible for impersonating Di Renjie's niece, Di Ruyan, and lurking beside Di Renjie to cooperate with the Snake Spirit. However, in her life with Di Renjie and Li Yuanfang, she was influenced by their personalities and eventually saved them. Di Renjie took her in as his niece and changed her name to Ruyan. Therefore, it could be said that Di Ruyan's role in the play had changed into a good person.
In Di Renjie's second movie, Ruyan was originally a bad person. She was originally a member of the Snake Spirit Organization and was sent to Di Renjie's side to spy and steal information. However, as time passed, her heart was gradually moved by Di Renjie and Li Yuanfang's sincerity. She eventually turned over a new leaf and was recognized as Di Renjie's niece. She helped Di Renjie solve the case in the play and was appreciated by Wu Zetian. Therefore, it could be said that Ruyan in Di Renjie's second movie eventually became a good person.
The lead actors of Detective Di Renjie's second film included Liang Guanhua, Zhang Zijian, Lu Zhong, Jiang Xinyan, and others.
Di Ruyan didn't appear in Detective Di Renjie 3 because Qian Yanqiu had originally planned to ask Jiang Xinyan to continue playing the role of Ruyan when the third film started filming. However, Jiang Xinyan had changed careers to become a producer and couldn't participate in the film. Therefore, there were no actors like Yan in the third film. In the fourth movie, Qu Zha Zha took over the role of Ruyan. The director found an explanation for Ruyan's absence in the third film: Ruyan went home to take care of Di Renjie's brother, so she was not by Di Renjie's side in the third film.
Di Renjie was most touched by Ruyan's change and her sincerity towards him. Ruyan was originally a member of the Snake Spirit Organization and was sent to spy on Di Renjie. However, in the process of getting along with Di Renjie and Li Yuanfang, she was touched by their sincerity and decided to turn over a new leaf. Di Renjie gave Ruyan meticulous care, took her as his adopted daughter, and gave her the name Di Ruyan. These actions moved Ruyan very much. From then on, she found the feeling of home and understood why she loved and why she hated. Therefore, Di Renjie was most touched by Ruyan's change and her sincerity towards him.
The villains in Di Renjie's first movie were Jin Mulan, Du Er, and Hou Jichang. Jin Mulan was a princess surnamed Li who had been kidnapped. She planned to start a war at the border and oppose Wu Zetian. Du Er was the evil slave of Xue Qinglin's family in the Marquis of Pingnan's fu. He killed Jin Niang's adoptive father and brought the evil slaves of the Marquis 'fu to cause trouble. Hou Jichang seized the family property and drove away his brother-in-law before his father-in-law died. The above was the answer based on the search results provided.
The cast list for Di Renjie's second film included Liang Guanhua, Zhang Zijian, Lu Zhong, Jiang Xinyan, Xu Qian, Xu Xiaobei, Qiao Hong, Zhao Zhigang, Yan Yansheng, and Jiang Changyi.
There was a complicated relationship between Li Yuanfang and Ruyan in Detective Di Renjie. In the drama, Li Yuanfang had deep feelings for Ruyan, and Ruyan also had special feelings for Li Yuanfang. However, specific information about whether they became husband and wife or married was not clear. Therefore, it was impossible to determine whether their relationship would develop further.