Yu Mingse was pushed out by her adoptive parents to death in the hot apocalypse in her previous life. Her soul traveled to the body of the legitimate daughter of the ancient Hou Mansion, but she was killed to death by her stepmother in her first life, giving her a chance to be reborn. After being reborn again, she saw her stepmother Yu's plan to flatter her, and decided to hide her true wisdom. She continued to play the role of the arrogant legitimate daughter on the surface, but secretly began to plot revenge. After deliberately making a fool of himself at the poetry festival, Ming Se showed his true talent and knowledge, attracting the attention of the third prince Xiao Yan and his cousin Xie Lin. At the same time, he discovered the spy planted by his stepmother. Mincer investigated the cause of his biological mother's death and found clues related to his stepmother, but found out that there was a huge conspiracy inside. Ming Se reached a cooperation with the third prince Xiao Yan to jointly fight against the forces behind her stepmother, and gradually developed sincere emotions amidst danger and conspiracy.
