Why is Wu Zhu going to Jiangnan?

Wu Zhu went to Jiangnan to find clues related to his master Ye Qingmei's memories. In the movie, after Fan Xian was assassinated, Wu Zhu appeared again in the later scenes to prevent Fan Xian from killing Lin Gong to protect Fan Xian's safety. Therefore, Wu Zhu's goal in going to Jiangnan was to find clues related to Ye Qingmei's memories.

Wu Zhu went to Jiangnan to find clues about Miss Ye Qingmei's memories and the box. He remembered that Miss had mentioned the box in Jiangnan, so he went to Jiangnan to look for the key to open the box. In the play, Wu Zhu chose to go to Jiangnan instead of saving Fan Xian at the Niulan Street assassination scene. Perhaps it was because he believed Fan Xian could deal with Cheng Jushu and he wanted to know the secret the young lady had left behind. Although Wu Zhu's decision had led to Lin Gong's death, Fan Xian had finally escaped the suspicion of murder.

Wu Zhu went to Jiangnan to search for memories related to his master, Ye Qingmei. In the movie, after Fan Xian was assassinated, Wu Zhu appeared again and stopped Fan Xian from killing Lin Gong to protect Fan Xian's safety. When Fan Xian was assassinated, Wu Zhu's exact whereabouts were unclear.

Wu Zhu went to Jiangnan to search for memories related to his master, Ye Qingmei, and clues about the box. He remembered that Miss had mentioned the box in Jiangnan, so he went to Jiangnan to look for the key to open the box. In the play, Wu Zhu chose to go to Jiangnan instead of saving Fan Xian at the Niulan Street assassination scene. Perhaps it was because he believed Fan Xian could deal with Cheng Jushu and he wanted to know the secret the young lady had left behind.

Wu Zhu went to Jiangnan to search for memories and clues related to his master, Ye Qingmei. He remembered that Ye Qingmei had mentioned a box in Jiangnan, so he went to Jiangnan to find the key to open the box. In addition, Wu Zhu also needed to return to the temple to recharge. Because he was an intelligent robot, he needed to recharge to continue operating. While in Jiangnan, Wu Zhu had also stopped Fan Xian from killing Lin Gong to protect Fan Xian's safety.

Wu Zhu went to Jiangnan to search for memories related to his master, Ye Qingmei. After Fan Xian was assassinated, Wu Zhu appeared again in the later plot to prevent Fan Xian from killing Lin Gong to protect Fan Xian's safety.

Wu Zhu went to Jiangnan to search for memories and clues related to his master, Ye Qingmei. In the movie, after Fan Xian was assassinated, Wu Zhu appeared again in the later scenes to prevent Fan Xian from killing Lin Gong to protect Fan Xian's safety. Therefore, Wu Zhu's goal in going to Jiangnan was to find clues related to Ye Qingmei's memories.

Wu Zhu was called Wu Zhu because he was ranked fifth among the five sworn brothers. When the Qing Emperor, Ye Qingmei, and the others became sworn brothers, Wu Zhu was the youngest, so he was called the fifth brother. This information can be confirmed from documents [1] and [2].

Jiangnan referred to the places where Emperor Qianlong visited six times during his southern tour, including Nanjing, Zhenjiang, Yangzhou, Wuxi, Suzhou, Hangzhou, Haining, and other places.

Wu Zhu was called Old Fifth because he was the fifth sworn brother of the Qing Emperor and the others, and the Qing Emperor affectionately called him Old Fifth. When Ye Qingmei was alive, she followed the principle of everyone being equal. She pulled the Qing Emperor, Chen Pingping, Fan Jian, King Jing, and Wu Zhu to become sworn brothers. Wu Zhu was the youngest, so the Qing Emperor called him Old Fifth. There was a deep friendship between these five people. The Qing Emperor and Ye Qingmei were also very close. When the Qing Emperor mentioned Wu Zhu, he called him Old Fifth, perhaps because he remembered their past days and friendship.