A daring young woman is selected to birth the next generation of power for a hidden figure. However, she never consented to this role. Desperate to protect her children from this person's grasp, she enlists her sister's aid to keep them hidden. One twin is cruel beyond imagination, while the other is remarkably kind and pure. Who dares to manipulate the lives of others like pieces on a chessboard? This figure is the ultimate ruler, unafraid to use people as pawns for their own gain, whether willingly or not.