Shen Jinxin, the concubine of the Shen family, the Minister of Household Affairs, had her biological mother die young and had to make a living under her aunt. A draft edict broke the peace, and she was forced to enter the palace in place of her sister-in-law. In the deep palace of cannibalism, every step is walking on the tip of a knife. From changing clothes at the bottom to taking charge of the Phoenix Seal, she never relied on the emperor's favor, but on her meticulous planning and courage to risk her life.