Nirvana in Fire Episode 19

After finding the secret passage, Meng Zhi expresses his loyalty to Prince Jing and offers to help him in his fight for the throne. After his visit to Concubine Jing, the Emperor promotes her to Consort rank. The Emperor also sends Princess Nihuang back to protect the Da Liang border from the Southern Chu. That night Gong Yu attempts to assassinate Xie Yu, but was then injured and "saved" by Qin Banruo. Banruo later tells Prince Yu information Gongyu gave to her; Prince Yu later asks Mei how he can use the information to his advantage. Jingrui invites Xia Dong to his birthday party and Gongyu is picked up by Yujin to go to the party. (Source: Wikipedia)