Today, the Holy One is celebrating the birth of a dragon son, but why is it that all officials are strictly prohibited from congratulating him? On the twentieth day after Longzi was born, why did blood overflow on the white stone road in front of Zhongxuan Gate? Why did a ballad with unknown intentions begin to circulate among ordinary people in the city? Some people know the truth about these things, some don't want others to know, and some want the whole world to know...