The doctor tells the princess that the xia army has been colluding with the west, and that the princess must be part of the conspiracy. The princess asks the doctor if he is sure he will be able to carry out the bone reduction. The doctor says that he will have to use a silver needle to penetrate the princess's bone to do the job. He tells her that he is doing this so that his country will not fall into the hands of traitors. He says he will cooperate with her