Shen Qingci, the concubine of the Yongning Hou Mansion, had her biological mother die young and was bullied by her aunt and sister in the house. In order to protect herself, she relied on her intelligence to gain a foothold in the prince's mansion, but she accidentally got involved in the battle for the prince's right to be the heir. She and the prince Xiao Yu, who secretly helped each other, went from using each other to treating each other sincerely, and jointly dealt with crises inside and outside the palace.
