Su Mengyu, a modern society animal, died suddenly while working overtime, and traveled through time to become the vicious female supporting character in the novel and the heroine's stepsister.
The original person was selfish and vain, and he designed to frame the heroine but was killed instead.
Su Mengyu, who traveled through time, unexpectedly had a relationship with Lu Yuan, a nobleman from the original book and a disciple of a high-ranking official, and his fate changed from then on.
She uses modern knowledge and personal space to develop her career and manage her marriage in the context of the times.
She went from being a vicious supporting character that everyone hated to being an officer's wife that everyone admired.
At the same time, he helped Lu Yuan change the tragic ending in the original book, and the two worked together to become a legend.
