In the end, Prime Minister Lin knew Wu Zhu.

In the end, Prime Minister Lin learned of Wu Zhu's identity. In Celebrating Years, Lin Ruofu's daughter, Lin Wan 'er, discovered Wu Zhu and learned that he was the murderer of Lin Gong. As a result, Lin Wan 'er turned dark and joined forces with the Qing Emperor to set up a trap to kill Wu Zhu. Although the search results did not explicitly mention whether Lin Ruofu knew Wu Zhu's identity or not, it could be inferred that Prime Minister Lin eventually found out Wu Zhu's true identity.

Prime Minister Lin finally found out that Lin Gong was Wu Zhu. Lin Gong was the mastermind behind the Niulan Street assassination, and Wu Zhu was Fan Xian's close friend. After Lin Gong was killed, Minister Lin began to suspect Fan Xian was the murderer and tested him many times. However, Fan Xian was cleared of suspicion because Si Lili insisted during the interrogation that she did not tell Fan Xian that Lin Gong was the mastermind behind the scenes. Although Fan Xian did not admit it, Minister Lin, the Qing Emperor, Fan Jian, and Chen Pingping guessed the truth. They knew that Wu Zhu had killed Lin Gong. As a result, Prime Minister Lin eventually learned that Lin Gong had been killed by Wu Zhu.

In the end, Prime Minister Lin learned that Wu Zhu had killed Lin Gong. In the 19th episode of the TV series " Celebrating Years," Minister Lin directly told Fan Xian that Lin Gong was the mastermind behind the Niulan Street assassination and tested Fan Xian's attitude towards the Lin family. Fan Xian pretended not to know about this and didn't understand why Lin Gong wanted to kill him, but Minister Lin felt that Fan Xian's reaction was not fake.

Prime Minister Lin finally found out that Lin Gong was Wu Zhu. Lin Gong was the mastermind behind the Niulan Street assassination, and Wu Zhu had decided to kill Lin Gong for Fan Xian in order to protect him. Prime Minister Lin had suspected Fan Xian of being the murderer of his son and had tested Fan Xian many times. In the end, however, Prime Minister Lin learned that Lin Gong had been killed by Wu Zhu. He did not provide any specific information on how he learned about it.

Prime Minister Lin finally found out that Lin Gong was Wu Zhu. In the 19th episode of the TV series " Celebrating Years," Minister Lin directly told Fan Xian that Lin Gong was the mastermind behind the Niulan Street assassination and tested Fan Xian's attitude towards the Lin family. Fan Xian pretended not to know about this and didn't understand why Lin Gong wanted to kill him, but Minister Lin felt that Fan Xian's reaction was not fake.

In the end, Prime Minister Lin learned that Wu Zhu had killed Lin Gong. In the 19th episode of " Celebrating Years," Minister Lin told Fan Xian that Lin Gong was the mastermind behind the Niulan Street assassination and tested Fan Xian's attitude toward the Lin family. Fan Xian pretended not to know about this and didn't understand why Lin Gong wanted to kill him, but Minister Lin felt that Fan Xian's reaction was not fake. Therefore, based on the information provided, it was certain that Prime Minister Lin knew that Lin Gong was killed by Wu Zhu.

In the end, Prime Minister Lin learned that Wu Zhu had killed Lin Gong.

The outcome of Prime Minister Lin Ruofu was that after he lost his beloved son, he was forced by the Qing Emperor to retire and return to his hometown.

In the end, Prime Minister Lin learned that Lin Gong was Wu Zhu's son.

Minister Lin later learned that Lin Gong was Wu Zhu. In the 19th episode of the TV series " Celebrating Years," Minister Lin directly told Fan Xian that Lin Gong was the mastermind behind the Niulan Street assassination and tested Fan Xian's attitude towards the Lin family. Fan Xian pretended not to know about this and didn't understand why Lin Gong wanted to kill him, but Minister Lin felt that Fan Xian's reaction was not fake. Thus, Minister Lin finally learned that Fan Xian had killed Lin Gong.