Feng Xi's sister has been eating medicine so that she won't get pregnant. At the scene of the explosion, Zuo finds a pouch that belongs to Feng Xi. He plans to use his sister to bring him down. Zuo learns that Feng Xi secretly went into the palace to see his sister. Zuo finds Biao who knows Feng Xi's secret that Feng Xi and his sister aren't related by blood. Feng Xi is caught sneaking into the palace. The emperor finds pills to prevent a pregnancy. Feng Xi gets locked up. Pang Yu visits Feng Xi and says he will help him. Feng Xi wants to visit his sister to see who might have framed him, but she tells him she loves him. Feng Xi's sister drinks poison to protect Feng Xi and his secret. Feng Xi loses his position and must leave the capital. (Source: jindreame at MyDramaList)