It tells the story of Shen Xingli, a fake daughter who was mistakenly adopted. When the real daughter returns and the family faces a crisis of taking sides, in order to save her adoptive parents and family, she takes the initiative to replace the real daughter into the palace. In the deep palace of the retro future, she relies on her precise insight into people's hearts, top-notch emotional management and game-breaking wisdom to make her way step by step in the Shura field where AI surveillance and classical machinations are intertwined. From being forced to get involved in harem battles, to actively participating in the battle for the right to inherit the throne, he finally revealed the greater secret behind his life experience and imperial power, and achieved a counterattack from survival to dominance.