The Detective Di Renjie series was a mystery novel created by the famous prime minister of the Tang Dynasty, Di Renjie. The characters and story plots were very popular among readers. There were several theories about the historical archetypes of Li Yuanfang and Di Renjie: Li Yuanfang was one of the founding fathers of the Tang Dynasty and the right-hand man of the founding emperor, Tang Taizong, Li Shimin. There was no Li Yuanfang in real history, so his prototype should be Di Renjie in history. Di Renjie was a famous politician, writer, and judge of the Tang Dynasty. He once served as a prime minister, marshal, and other senior officials. In real history, there was no such person as Di Renjie. Therefore, his prototype should be the prime minister Pei Du of the period of Wu Zetian in history. The characters and storylines in the Detective Di series originated from historical archetypes and materials, but they were also fabricated and adapted in the creative process to present a more vivid and interesting storyline.
The following conclusion: In Detective Di Renjie 2, Li Yuanfang and Ruyan were a couple. They went to the Yue clan to investigate the case and finally solved the big case. Because of their achievements, Wu Zetian officially gave Ruyan the name Di Ruyan and made her Di Gong's right-hand man. There was no clear information about Li Yuanfang's ending.
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.
The exact number of episodes where Di Renjie and Li Yuanfang met again in Detective Di Renjie 3 was not mentioned.
In Detective Di Renjie II, the relationship between Li Yuanfang and Ruyan was established bit by bit. Their feelings for each other deepened over time and the accumulation of cases. In the drama, Ruyan had always been by Di Renjie's side and became his right-hand man. They had experienced many dangers and difficulties together, and Ruyan had protected and helped Di Renjie many times. Although there was no specific mention of whether they had become husband and wife, the feelings between them grew stronger and stronger, showing deep kinship and love.
Li Yuanfang in the Detective Di Renjie series was played by two actors. In Detective Di Renjie from the first to the third and in Detective Di Renjie, Li Yuanfang was played by Zhang Zijian. In Detective Di Renjie 4, Lee Yuanfang was played by Wu Zhuohan. Therefore, Li Yuanfang in the Detective Di Renjie series was played by Zhang Zijian and Wu Zhuohan.
In Detective Di Renjie, Ruyan and Li Yuanfang ended up as Di Renjie's right-hand men. Ruyan was originally a killer among the Snake Spirits. Later, she was sent to Di Renjie's side as a spy, pretending to be his niece. However, Di Renjie did not have a real niece. In the play, Ruyan gradually fell in love with Li Yuanfang and was moved by Di Renjie's sincerity. She finally turned over a new leaf and became Di Renjie's right-hand man. They had experienced many difficulties and dangers together and finally solved the big case. Because of the meritorious service of protecting the emperor, Wu Zetian officially gave Ruyan the name Di Ruyan and became Di Renjie's right-hand man. As for the details of the outcome, the literature did not mention it.
Li Yuanfang and Di Ruyan were two characters in Detective Di Renjie. Di Ruyan was originally a killer among the Snake Spirits. Later, she was sent to Di Renjie's side as a spy, pretending to be his niece. However, Di Renjie did not have a real niece. In the play, Di Ruyan gradually fell in love with Li Yuanfang and was moved by Di Renjie's sincerity. She eventually turned over a new leaf and became Di Renjie's right-hand man. Li Yuanfang was the hero of the entire series. He was resourceful and skilled in martial arts. His relationship with Di Ruyan was also well-liked by the audience.
Li Yuanfang and Di Ruyan were two characters in Detective Di Renjie. Di Ruyan was originally a killer among the Snake Spirits. Later, she was sent to Di Renjie's side as a spy, pretending to be his niece. However, Di Renjie did not have a real niece. In the play, Di Ruyan gradually fell in love with Li Yuanfang and was moved by Di Renjie's sincerity. She eventually turned over a new leaf and became Di Renjie's right-hand man. However, the search results did not explicitly mention whether Li Yuanfang and Di Ruyan ended up together. Therefore, it was impossible to determine if they were married or a couple.
[Detective Di Renjie 4 has indeed changed actors. Li Yuanfang is no longer played by Zhang Zijian.] The specific reason might be that there was a disagreement between the director Qian Yanqiu and the producer Zhang Wenling, causing them to go their separate ways. In addition, the change in investors could also be a factor in the change of people. However, the search results did not provide more details on why the player was changed.
In the end, Li Yuanfang married Di Ruyan. In Detective Di Renjie, Li Yuanfang and Di Ruyan had deep feelings for each other. In the play, they hugged after they separated. As for Wu Yuanmin, the search results did not mention the plot of Li Yuanfang marrying her. Therefore, it was certain that Li Yuanfang had married Di Ruyan in the end.