Phoenix in the Coffin: King Leng's Favorite Concubine Turns Dark

The heroine was betrayed by her relatives in her previous life. After her rebirth, she must uncover a conspiracy in a deep house. She must not only fight against the oppression within the family, but also deal with the infiltration of court forces. On the surface, it is a fight between the back house, but in fact it involves the secrets of the former dynasty.