Su Tanyun, who was born in a family of perfumers, was sent to the palace because of his family's injustice and became a lowly talent. He became a pawn used by the family's political enemies to humiliate and control. Faced with a life-and-death crisis at the beginning, she had to use the knowledge of perfumery that she had been familiar with since childhood to save herself. She can identify thousands of spices and can use the most common spices to concoct strange fragrances that have soothing, hallucinogenic, and even chronic poison effects. In a harem full of dangers, this is her only weapon.