Modern youth Shen Zhiyi transmigrates into the Dowager Empress of Great Yan and unexpectedly awakens mind-reading abilities. Upon waking, she immediately sees through the conspiracy of Noble Consort Zhou Ruowei and the Third Prince Xiao Muyuan to poison and layout a rebellion. Seeing the royal family members all bound and manipulated by feudal ethics and villains, she alters old deep-palace rules, teaches her family survival skills, uncovers the concubines' specialties, and enters the imperial court to advise the emperor, successively shattering the villains' imperial examination, autumn hunt, and military mutiny plots. After Xiao Muyuan raises an army in rebellion, Shen Zhiyi deploys an inescapable net with all loyal ministers to quell the rebellion. Afterwards, she travels incognito to the countryside to observe the common people's feelings, implements pro-people new policies, transforms the oppressive deep palace into a warm big family, and peacefully and happily spends her old age.