After the death of the previous tyrannical emperor, the empire, Koku, was plagued by a strange disease caused by a poisonous plague. The only person who can cure this poisonous plague is Cai Huiling, the last descendant of the Hakutaku family who is said to be able to cure all poisons. Huiling, who is also the daughter-in-law of the former emperor, is spared execution, and instead works as a food doctor in the inner palace, and she goes on to cure strange illnesses that even regular doctors would treat one after another... Among them, a woman with mysterious beauty... Hui Ling's destiny takes a big turn when she meets the feng shui master, Zhen...!A poisonous plague swirls in the inner palace──A special food doctor “controls poison with poison”Chinese harem x medicinal meal fantasy begins!