Shen Weiwan, the concubine of the prime minister's palace, was forced to take the place of her eldest sister and become a maid in the palace, but she accidentally became a talented person of the lowest rank. The eldest sister made things difficult, the concubine suppressed her, and the harem was a trap at every step. She had no golden finger to fall back on, so she had to rely on resourcefulness. By chance, they meet Xiao Jingyuan, the disfavored seventh prince, and the two form an alliance because of the old case of Concubine Rong. From testing each other to trusting each other, they work together to break the situation in the turbulent harem. She fights her eldest sister, tears up concubines, protects her allies, and stirs up the turmoil in the harem on her own; he protects her, helps her rise to power, and gives up his desire to win his eldest son for her. When the concubine counterattacks and becomes the overlord of the harem, and when the cold-faced prince turns into an infatuated husband, this deep palace love that began with intrigue will eventually write a legend of the emperor and empress.
