The plot of Fan Xian being stabbed by Yan Bingyun did not exist in the original novel, Joy of Life. This plot was adapted from the TV series Joy of Life. In the play, the reason Yan Bingyun stabbed Fan Xian was probably to protect the safety of the Qing Kingdom. The Second Prince might kill Fan Xian and the others to protect his own interests. There could be many explanations for the specific circumstances. For example, Fan Xian knew that the Second Prince would chase after him, so he let Yan Bingyun stab him to give him a chance to escape. He also let Yan Bingyun gain the Second Prince's trust so that he could better go undercover. However, these explanations were based on the adaptation of the TV series, not the plot of the original novel.

The novel Joy of Life didn't have the plot of Yan Bingyun stabbing Fan Xian.
The novel Joy of Life did not describe the scene of Yan Bingyun stabbing Fan Xian. This plot was adapted from the TV series Joy of Life. In the play, the reason Yan Bingyun stabbed Fan Xian was probably to protect the safety of the Qing Kingdom. The Second Prince might kill Fan Xian and the others to protect his own interests. The specific plot and motive might need to be understood by watching the TV series.
The novel Joy of Life did not describe the scene of Yan Bingyun stabbing Fan Xian. This plot was adapted from the TV series Joy of Life. In the play, the reason Yan Bingyun stabbed Fan Xian was probably to protect the safety of the Qing Kingdom. The Second Prince might kill Fan Xian and the others to protect his own interests. The specific plot details and motives might need to be understood by watching the TV series.
The plot of Fan Xian being stabbed by Yan Bingyun did not exist in the original novel, Joy of Life. This plot was adapted from the TV series Joy of Life. In the play, the reason Yan Bingyun stabbed Fan Xian was probably to protect the safety of the Qing Kingdom. The Second Prince might kill Fan Xian and the others to protect his own interests. However, there was no clear description of what happened after Fan Xian was stabbed by Yan Bingyun.
The novel " Celebrating Years " did not describe the plot of Yan Bingyun stabbing Fan Xian. This plot had been adapted from the TV series " Celebrating Years." In the play, the reason Yan Bingyun stabbed Fan Xian was probably to protect the safety of the Qing Kingdom. The Second Prince might kill Fan Xian and the others to protect his own interests. The specific plot and motive might need to be understood by watching the TV series.
The novel Joy of Life did not describe the scene of Yan Bingyun stabbing Fan Xian. This plot was adapted from the TV series Joy of Life. In the play, the reason Yan Bingyun stabbed Fan Xian was probably to protect the safety of the Qing Kingdom. The Second Prince might kill Fan Xian and the others to protect his own interests. The specific plot and motive might need to be understood by watching the TV series.
The plot of Yan Bingyun stabbing Fan Xian did not exist in the novel " Celebrating Years." This plot had been adapted from the TV series " Celebrating Years." In the play, the reason Yan Bingyun stabbed Fan Xian was probably to protect the safety of the Qing Kingdom. The Second Prince might kill Fan Xian and the others to protect his own interests. The specific plot and reason might need to be watched on TV to understand more details.
The plot of Yan Bingyun stabbing Fan Xian did not exist in the original novel, Joy of Life. This plot was adapted from the TV series Joy of Life. In the play, the reason Yan Bingyun stabbed Fan Xian was probably to protect the safety of the Qing Kingdom. The Second Prince might kill Fan Xian and the others to protect his own interests. However, what happened after Fan Xian was stabbed by Yan Bingyun was not clearly revealed in the original novel.
Joy of Life did not clearly describe the plot of Yan Bingyun stabbing Fan Xian. This plot was adapted from the first season of the TV series Joy of Life. In the play, Yan Bingyun stabbing Fan Xian was a plan the two of them had discussed beforehand. The goal was to let Yan Bingyun win the trust of the Second Prince so that he could better be a spy. The details of what happened after Fan Xian was stabbed by Yan Bingyun required further reading of the novel or watching the drama series.
In the novel Joy of Life, there was no plot where Yan Bingyun stabbed Fan Xian. This plot was adapted from the TV series Joy of Life. In the play, the reason Yan Bingyun stabbed Fan Xian was probably to protect the safety of the Qing Kingdom. The Second Prince might kill Fan Xian and the others to protect his own interests. The specific plot and reason might need to be watched on TV to understand more details.