Su Yunqi, a folk herb collector, in order to find out the truth about the murder of her mentor, assumed the identity of the guilty minister's daughter and entered the palace as a "show girl". On the surface, she appears to be a harmless, even timid, low-level concubine, but in reality, she is a black lotus who is proficient in pharmacology and poison.
Facing the turmoil in the harem, she did not talk about feelings but only interests. She used her superb medical skills and precise calculation of people's hearts to block the enemy with soldiers and cover up the poison with medicine. On the first night after entering the palace, he planned to get rid of the troublesome aunt in charge, and then fought step by step in the palace battles, pulling down the arrogant and domineering concubines one by one.
Emperor Xiao Moheng initially only regarded her as a clever new gadget, trying to use her as a pawn to balance the former harem. However, he was attracted by her cold "throw away" attitude in repeated confrontations, and eventually fell deeply in love and was willing to hand over the knife. The heroine is promoted from being a low-ranking servant to being an imperial concubine. Finally, she uncovers the mystery of her life experience, succeeds in her revenge, and gains power over the world.
