Hong Zhu was Fan Xian's man because of a huge favor. In " Celebrating Years," Hong Zhu was a young eunuch. He was young but experienced in his ways. He was the spy who had hidden himself the deepest by the Qing Emperor's side and later became Fan Xian's most capable assistant in the Palace. Hong Zhu's original surname was Chen. He was the young master of the wealthy Chen family in Yingzhou. However, the Chen family's property was taken away by the magistrate of Yingzhou, and the Chen family was in trouble. Hong Zhu brought hatred and sorrow from Yingzhou to the capital, determined to find a chance of survival. His kindness and innocence touched the heart of an old eunuch. The old eunuch gave him the name " Hong Zhu," which implied that he was as tough and unyielding as bamboo. Hong Zhu had played an important role in Fan Xian helping the Third Prince ascend the throne. He had helped Fan Xian resolve a grudge of family annihilation. Hong Zhu's story was closely linked to Fan Xian's fate. He became the deepest trump card in Fan Xian's Palace.