Li Chengyin believes the person Xiao Feng is in love with (Gu Xiaowu) is actually Gu Jian and this awakens his evil side, permanently. The hatred is not helped by Gu Jian himself who keeps on confirming Li Chengyin's worst fears. He decides to kill Gu Jian. Xiao Feng suffers in silence and keeps calling for Gu Xiaowu. Prime minister Gao discovers the connection between the prince and Chai Mu. Mingyue tells the emperor she's pregnant. Prime minister Gao recognizes Chen Zhang. (Source: Autumn carrot at MyDramaList)