Xu Weiyang is the crown princess of the ancient Great Zhou Kingdom. Kind, virtuous, and uninterested in worldly conflict, she was raised in the family of the Duke of Dingguo, a family with three generations of loyal military heroes. Their influence made her straightforward and guileless, which repeatedly made her the target of scheming and murderous plots in the palace by the power-hungry, money-grubbing Empress Dowager and the Cao clan led by Chancellor Cao. The Cao clan wants to make the chancellor's daughter empress and replace the crown prince, son of the late empress, with the empress dowager's third son. Just as Xu Weiyang is being framed, modern medical doctor Wang Ziyan happens to transmigrate and be reborn in her body. With her modern medical expertise, knowledge of technology, and, most importantly, a mysterious infinite-exchange System, she deftly contends with the Cao clan. Amid one absurd and hilarious palace struggle after another, she survives every brush with danger and helps the crown prince resolve both foreign invasions and internal crises. In the end, she wins the support of the retired emperor and the emperor, and the crown prince ascends the throne, while she becomes a celebrated empress.
