In the seventh year of Yonghe period, the imperial concubine Shen Qingdai was ordered to compile the Taiping Pharmacopoeia. She added a red crystal stone to "Anshen Powder" and hidden acacia in "Yangrong Pills". Three years later, the wise concubine who took this prescription coughed up blood and died. However, the medical girl Lin Wanzhou discerned the mystery from the dregs of the medicine - a dynastic killing using the pharmacopoeia as a knife had just begun.
