A palace fight between women + a combination of poison and medicine + a game of power. She is no longer a "medical concubine" who relies on medical skills to save people, but a dark poison doctor who takes the route of "fighting poison with poison". After she traveled through time and became the legitimate daughter of the Duke of the country, she was betrayed by her family and decisively turned dark. She combined ancient poison techniques with modern toxicology knowledge to create a unique technique of "controlling power with poison." Every step is planned with poison, and every poison hides cause and effect. When she entered the palace, the entire harem became her medicine garden, and everyone was her experiment.
