After being kidnapped and forced to work as a servant in the rear palace, former apothecary Maomao inadvertently draws the attention of the higher ranks when she investigates what's causing the emperor's infant heirs to fall mysteriously ill.
The deaths of all the heirs 
born in the rear palace!
!وفاة كافّة الوارثين الّذين وُلِدوا في القصر الخلفيّ
Die hier geborenen kaiserlichen Kinder
sterben eines nach dem anderen!
¡Los herederos siempre acaban muriendo!
¡Los herederos siempre acaban muriendo!
Tous les nouveau-nés meurent,
entre ses murs.
La serie di morti dei principi nati qui a corte!
As mortes de todos os herdeiros
que nasceram aqui!
Во дворце малыши
умирают один за другим!