The story of "The Legend of Zhen Huan" comes to an end, and the harem seems to be calm, but in fact there is a turbulent undercurrent. Shen Xinyao, the younger sister of Shen Meizhuang, resolutely entered the palace to avenge her sister's past sufferings and restore the family's glory. At the same time, Murong Zirou, the ambitious daughter of a high-ranking official, also entered the court. The two started a fierce competition for favor and power, and conspiracies, frame-ups, and truths emerged one by one. In this harem full of calculations and battles, can Shen Xinyao break through the predicament and start her own legend?