In the previous life, Su Wanqing, the legitimate daughter of the Zhenguo Marquis Mansion, mistakenly trusted her concubine, and she and her scumbag husband jointly tore out her heart and died tragically, and the whole family was destroyed. Once she cried blood and was reborn, she returned to the age of fifteen, and all tragedies had not yet happened. In this life, she holds the memory of her previous life's medical skills, and has awakened her extraordinary powers of perception, working every step of the way in the inner courtyard of the deep house. In the name of opening a drug store "Ji Shi Tang", she secretly took in and trained the suffering women and built her own intelligence network and power.
Highlight: The biggest twist in the plot is that she discovers that the evil concubine is actually an abandoned baby she saved in the snow in her previous life. This kindness becomes the most difficult shackle on her road to revenge. Emotionally, she was torn between the stern, sinister and powerful regent and the gentle and gentle son of his childhood sweetheart, the Taifu, who also hid a secret. As the investigation deepens, she discovers that the downfall of her family, the life experience of her concubine, and the shadow of the regent's childhood all point to the covered-up murder of the late empress's palace twenty years ago. In the end, she is not only an avenger, but also the chess player who uncovers the biggest secret of the dynasty, realizing the transformation from a boudoir woman to a female power influencing the court situation.