Lin Qingci, the daughter of Mi Fengguan, was born with a photographic memory. When she secretly proofread the test papers for her father, she discovered that there were oddities in the same handwriting in multiple imperial examinations. She followed the clues and actually led to a huge organization that cultivated "exam stand-ins" and spanned three generations. Facing the mysterious threat and the shady secrets of the court, she used her extraordinary memory as a blade to enter a fatal puzzle concerning the fairness of the imperial examination and the foundation of the dynasty.
