Fan Xian was assassinated in Niulan Street.

Fan Xian's assassination in Niulan Street was in the 26th episode of " Celebrating Years."

The masterminds behind the assassination of Fan Xian on Niulan Street were Lin Gong, the Second Prince, and the Eldest Princess. Lin Gong was the one who had obtained the token to control Cheng Jushu and smuggled him into the city. The Second Prince assassinated Fan Xian because he did not want Fan Xian to take charge of the palace treasury. The Eldest Princess had two reasons for participating. Thus, the real culprit behind the assassination of Fan Xian on Niulan Street was planned and executed by many people.

The masterminds behind the assassination of Fan Xian on Niulan Street were Lin Gong, the Eldest Princess, and the Second Prince.

The masterminds behind the assassination of Fan Xian on Niulan Street were Lin Gong, the Second Prince, and the Eldest Princess.

The masterminds behind the assassination of Fan Xian on Niulan Street were Lin Gong, the Second Prince, and the Eldest Princess.

The masterminds behind the assassination of Fan Xian on Niulan Street were Lin Gong, the Second Prince, and the Eldest Princess.

In " Celebrating Years," Fan Xian was assassinated on Niulan Street. There were three people behind the assassination of Fan Xian on Niulan Street. They were the Second Prince, the Eldest Princess, and Lin Gong. The Second Prince did not want Fan Xian to manage the palace treasury. The Eldest Princess did not want Lin Wan 'er to marry the Second Prince. Lin Gong was the one who had obtained the token to control Cheng Jushu and had smuggled him into the city. The three of them had jointly planned the assassination of Fan Xian on Niulan Street. Thus, it could be said that the mastermind behind Fan Xian's Niulan Street assassination was the Second Prince, the Eldest Princess, and Lin Gong.

The masterminds behind Fan Xian's Niulanshan assassination were Lin Gong, the Eldest Princess, and the Second Prince. Lin Gong was Lin Wan 'er's older brother, and also the Crown Prince and Eldest Princess's man. He had arranged for Cheng Jushu to assassinate Fan Xian on Niulan Street. The Eldest Princess did not want Fan Xian to marry Lin Wan 'er, so she found Lin Gong and used him to kill Fan Xian. The Second Prince also participated in the assassination because he did not want Fan Xian to be in charge of the palace treasury. This information came from the plot description of " Celebrating Years."

The masterminds behind Fan Xian's Niulanshan assassination were Lin Gong, the Eldest Princess, and the Second Prince. Lin Gong was Lin Wan 'er's older brother, and also the Crown Prince and Eldest Princess's man. He had arranged for Cheng Jushu to assassinate Fan Xian on Niulan Street. The Eldest Princess did not want Fan Xian to marry Lin Wan 'er, so she found Lin Gong and used him to kill Fan Xian. Apart from Lin Gong, the Second Prince also participated in the assassination. Thus, the masterminds behind Niulanshan's assassination of Fan Xian were Lin Gong, the Eldest Princess, and the Second Prince.

The masterminds behind Niulanshan's assassination of Fan Xian were Lin Gong, the Eldest Princess, and the Second Prince. Lin Gong was Lin Wan 'er's older brother, and also the Crown Prince and Eldest Princess's man. He had arranged for Cheng Jushu to assassinate Fan Xian on Niulan Street. The Eldest Princess did not want Fan Xian to marry Lin Wan 'er, so she found Lin Gong and used him to kill Fan Xian. Apart from Lin Gong, the Second Prince and the Eldest Princess also participated in the assassination. Thus, the masterminds behind Niulanshan's assassination of Fan Xian were Lin Gong, the Eldest Princess, and the Second Prince.