The protagonists of the story are a man and a woman. In her previous life, the heroine was persecuted by treacherous ministers and harem forces in the palace, and her whole family was slaughtered. The male protagonist, as a descendant of a declining family who was friends with the heroine's family, was not spared either. After rebirth, the heroine relied on her past life memories to gain insight into the conspiracy and calculations of the palace and various forces, while the hero used his knowledge of the situation in the court to join hands with the heroine. However, the villains are good at disguise and have done many evil things in their past lives. After noticing the strangeness of the protagonist in this life, they launched a crazy suppression against them. On the one hand, the protagonist has to deal with numerous misunderstandings designed by the villain, which leads to tense relationships with the people around him. On the other hand, the protagonist has to struggle to develop in a social environment of "low-class and no-gentlemen". As the villain discovers the secret of the protagonist's rebirth and prepares to eliminate the root cause, the protagonists are faced with tight time pressure and must complete their revenge plan within a limited time. In this process, the protagonists continue to break through difficulties, but they also make difficult choices between revenge and protecting their loved ones. In the end, the protagonist succeeded in revenge, but had no choice but to pay the price of his lover's life, and rewrote his fate in bitterness.