The Taifu family of the Northern Kingdom has two daughters: Jiang Shuzhen and Jiang Shuqiao. With the emperor's marriage grant, the eldest daughter Jiang Shuzhen will be married to the palace as the second prince's concubine; but Jiang Shuzhen has a sweetheart for a long time and is unwilling to marry into the palace. In desperation, Jiang Taifu had to marry his second daughter Jiang Shuqiao to the second prince Feng Ziran...