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.
they're taught the bare minimum 
essentials of etiquette.
يتمّ تعليمهن الحدود الدُّنيا من آداب السُّلوك
les enseñan lo básico de etiqueta.
les enseñan lo básico de etiqueta.
si assicurano di impartirci le basi dell'etichetta,
ensina-se o essencial
de regras de etiqueta.