The Fragrance of Medicine Is Amazing: the Medical Woman and the Poisonous Concubine

She is a female medical doctor with excellent medical skills. She appears to be saving people, but in fact she is carrying a blood feud. He is a powerful regent who is possessed by a strange poison and secretly investigates the unjust case of an imperial doctor. An accidental medical treatment made two people with different thoughts meet. She uses medical skills as a blade, and he uses power as a shield. How should they choose between truth and love? When the dusty injustice gradually comes to light, and when hatred and sincerity intertwine, can this love that started with poison blossom into a flower of redemption?