The Third Princess is a jealous half-sister of Shen Biluo. Once the most favored princess until Biluo's birth, she grows envious. She hires Si Yu as a fake eunuch lover and also has affairs with a monk and a Taoist priest, even forcing Si Yu to witness her with other men. She orders Hu Po to push Biluo into the water. When discovered, she is sentenced to fifty lashes and life confinement in Jing'an Temple. She is vicious and immoral.
