It tells the story of Hongli ascending the throne as Emperor Qianlong, and Jin Ruyi being conferred the title of Concubine Xian into the palace. Facing the whirlpool of harem dictatorship and political struggle, the two gradually felt tremendous pressure. The emperor and Concubine Xian worked together to finally remove the obstacles and Ruyi was promoted to queen. However, the mature emperor and his old love have become distant from each other, and their relationship is gradually drifting away.