After being reborn in the Forbidden City, Zhen Huan, Concubine Hua, An Lingrong... All the dead concubines woke up with a blood feud. But this time, they no longer fight for the emperor. After seeing clearly the ruthless nature of the emperor and the cannibalistic nature of the palace, enemies from the previous life put aside their grudges and formed a secret alliance. They join forces to avoid being favored, outsmart the queen, and create their own rules of survival within the red wall - not to compete for the Sacred Heart, but to spend the rest of their lives together. When sisters join hands, this cannibal harem can also become a place for them.