As an unloved concubine in the Rongguo Mansion, Jia Zheng did nothing in his previous life, watching his relatives suffer and the family being destroyed, and died with regrets. Once he was reborn, he lost his cowardice and possessed the unparalleled talent of photographic memory, and he studied hard in the smoky clan science. Not afraid of the neglect of his father and his mother, the difficulties of his servants, and the inferiority of his legitimate concubines, he emerged as the leader of the child-birth case, and in the thorny house, he embarked on an illustrious career as a concubine's counterattack.