The real culprit behind Si Lili was Lin Gong. In " Joy of Life," Fan Xian had successfully learned the identity of the real culprit from Si Lili through coaxing, coercion, and bribery. Lin Gong was the younger brother of Princess Royal Li Yunrui. He had used Si Lili's identity to threaten her and planned the assassination on Niulan Street. Faced with the conflict between revenge and Lin Wan 'er's relationship, Fan Xian finally decided to attack Lin Gong. However, there were still some mists and hidden hands surrounding Lin Gong, and the exact situation was still unclear.

There were different theories about the identity of the mastermind behind Si Lili in Joy of Life. Some results mentioned that Wu Bo 'an was the mastermind behind Si Lili, while others pointed out that Lin Gong and the Eldest Princess Li Yunrui were the real masterminds. However, there was not enough information to confirm whether Wu Bo 'an was the mastermind behind Si Lili. Therefore, there was no definite answer as to the identity of the mastermind behind Si Lili.
The mastermind behind Si Lili was Wu Bo 'an. In the play, Si Lili and Wu Bo 'an conspired to assassinate Fan Xian and used the Second Prince's banquet to carry out the plan. In the prison, Fan Xian had used torture to force a confession and learned the identity of the mastermind from Si Lili. Therefore, Wu Bo 'an was confirmed to be the mastermind behind Si Lili.
The mastermind behind Si Lili was Wu Bo 'an. In the play, Si Lili and Wu Bo 'an conspired to assassinate Fan Xian and used the Second Prince's banquet to carry out the plan. In the prison, Fan Xian had used torture to force a confession and learned the identity of the mastermind from Si Lili. Therefore, Wu Bo 'an was confirmed to be the mastermind behind Si Lili.
The Prince in Joy of Life was thought to be one of the murderers behind the scenes, but there were other characters who might be involved. Lin Gong was believed to be the mastermind behind the assassination of Fan Xian on Niulan Street. He was a member of the prince's faction, and his motive was to prevent Fan Xian from managing the palace treasury and prevent Lin Wan 'er from marrying Fan Xian. However, there were also some search results that mentioned that the Second Prince and the Eldest Princess might have also participated in the assassination plan. Therefore, it was impossible to determine if the Crown Prince was the mastermind behind Joy of Life.
The mastermind behind Si Lili in Joy of Life was Wu Boan. In the play, Si Lili and Wu Bo 'an conspired to assassinate Fan Xian and used the Second Prince's banquet to carry out the plan. In the prison, Fan Xian had used torture to force a confession and learned the identity of the mastermind from Si Lili. Therefore, Wu Bo 'an was confirmed to be the mastermind behind Si Lili.
The mastermind behind Si Lili in Joy of Life was Wu Boan. In the play, Si Lili and Wu Bo 'an conspired to assassinate Fan Xian and used the Second Prince's banquet to carry out the plan. In the prison, Fan Xian had used torture to force a confession and learned the identity of the mastermind from Si Lili. Therefore, Wu Bo 'an was confirmed to be the mastermind behind Si Lili.
In the middle of the year, Si Lili said that the mastermind behind the scenes was Lin Gong.
The mastermind behind Joy of Life was Lin Gong.
The mastermind behind Si Lili in Joy of Life was Wu Boan. In the play, Si Lili and Wu Bo 'an conspired to assassinate Fan Xian and used the Second Prince's banquet to carry out the plan. In the prison, Fan Xian had used torture to force a confession and learned the identity of the mastermind from Si Lili. Therefore, Wu Bo 'an was confirmed to be the mastermind behind Si Lili.
In Joy of Life, the mastermind behind Si Lili was Wu Boan.