It tells the story of the widow Lou Mizhi who was expelled with her son and became a concubine in the Ding'an Prince's Mansion. She is smart and decisive, dealing with the jealous Yu family and the brooding Xue family in the turbulent back house. She relies on her resourcefulness and courage to gain a foothold and attract the ambitious leader of the palace, Zong Lin. From temptation to understanding, Lou Mizhi helps Zong Lin consolidate his power and avenge his family's blood. In the end, they work together to overcome many obstacles and gain career and family love.