Yao Mo Wan saves Ye Jun Qing with a trick. Princess Han Yue discovers that Yao Mo Wan might be Mo Xin. Yao Mo Wan discovers that more than one person tried to kill her sister. The emperor gives her seven days to figure it out. Yao Mo Wan gives Ye Jun Qing a pouch, but he rejects her because he notices they are being spied on. Someone tries to kill Yao Mo Wan and Ye Jun Qing saves her. (Source: jindreame at MyDramaList)