In the late Dahong dynasty, the Marquis Wu'an's Mansion was suddenly framed, and the whole family was demoted and exiled, stripping away all former glory overnight. The transmigrated wet nurse Zhao Nuan, in order to survive and to repay the kindness of the Marquis's Mansion taking her in, resolutely took her daughter Yan'er, along with the young master Zhou Ningyu entrusted by the mansion, heading north against the current to that cold and desolate place of exile.