Shen Qingci (female protagonist): The 15-year-old legitimate daughter of the Minister of Justice and the rebirth of a queen from her previous life. In his previous life, he was deposed to the cold palace and died of coughing up blood. Before he died, he took a hairpin and scratched the names "Xiao family and Gu family" on the wall. Reborn and returned to the summer when she was about to be married into the East Palace in 5 days.
- **Xiao Heng** (male protagonist): 25-year-old regent, orphan of the previous dynasty. On the surface, he is the most powerful man in the dynasty, but in fact, he is responsible for the blood feud of the previous dynasty that destroyed his family. Alliance is mutual use - he wants to tell the truth, she wants to overturn the verdict.
Intention: Shen Qingci (rebirth for revenge), Xiao Heng (the truth about the previous dynasty), and Xiao Guifei (Beidi destroyed the country), use each other and restrain each other, no one is a simple good person.