Lu Qingyi, the concubine of the Lu family, has been bullied since she was a child. In order to survive, she has to be cautious and careful every step of the way. By chance, she met Gu Yunjing, the prince of Anyuan Hou, and the two gradually developed sincere feelings while testing and using each other. However, the power struggle within the Hou family, the conspiracies of the harem, and the difficulties faced by Lu Mingzhu, the legitimate daughter of the Lu family, all made Lu Qingyi's life full of crises. In order to protect herself and the people she loves, Lu Qingyi had to get involved in this house fight full of conspiracies and calculations. With her wisdom and tenacity, she uncovered the truth hidden behind her step by step, and finally found her own happiness.