Su Jinning, the concubine of the prime minister's palace, was forced to enter the palace to avoid persecution by her aunt, and unexpectedly awakened the ability to identify poisons - she could identify poisons and medicinal properties by touching objects with her fingertips. Facing the queen's poisonous plot, the noble concubine's difficulties, and the beautiful woman's frame-up, she used her powers to find out the tricks: see through the poisonous tea, resolve the frame-up, and uncover the traitor. From the last position, he was promoted step by step, and even gained the favor of Emperor Xiao Yu. She protects her cronies, punishes evil slaves, seizes palace power, reveals the truth about her biological mother's injustice, and defeats all enemies. The deep palace was turbulent and treacherous, but she used her wisdom and supernatural powers to break through the situation, and finally took charge of the Phoenix Seal, becoming a virtuous queen who stood side by side with the emperor and shocked the harem.
