After her mother is silenced, Meng Xuezhao enters the palace to seek justice. Through her intelligence and charm, she works to uncover the truth and bring fairness to the harem.

故事开端于京城，聚焦于妇科名医孟二娘，她因无意间窥见宫中丽贵妃的隐秘而遭灭口。这一悲惨遭遇激发了孟二娘的女儿孟雪昭的复仇之心。五年光阴飞逝，孟雪昭毅然决定踏入皇宫，化身为一名宫女，誓要为母申冤。

在这漫长的准备过程中，孟雪昭并非孤军奋战。她与那些同样遭受贵妃不白之冤的家庭紧密相连，形成了一个同盟。他们精心策划，步步为营，逐步揭开了贵妃罪行的重重面纱。