In order to save Su Yi Shui, Mu Qing Ge decides to interfere in politics and help Prince Su Yu's party. Su Yi Shui is blinded by jealousy and turns evil. Mu Qing Ge's sister is also jealous because she's in love with Prince Su Yu, who has feelings for Qing Ge. She devises a plan and uses Su Yi Shui to trap her own sister. Understanding that she cannot escape, Mu Qing Ge decides to make the ultimate sacrifice to save her disciple and the world. Su Yi Shui finally understands that his master was honest and meant well.