Xiao Ling (Xiao Lingyi), daughter of the Grand Princess and the emperor's own niece, enters the Jia household under the identity of a “clansman.” While secretly investigating the family, she ultimately uses political maneuvering to dismantle the Prince of Nan'an's household, arranges for Tanchun to marry far away in the Western Sea, and protects Daiyu, eventually becoming her partner.
