"Blood Seal and Strange Injustice" tells the story of a shady imperial examination spanning thirty years. Chen Wenrui, a young student, died suddenly in the examination room. The papers in his arms revealed that Zhou Wenyuan, the chief examiner of the provincial examination, had taken bribes and cheated. His son Chen Qingshu carried the coffin to Beijing, only to find that the Zhou family had been destroyed. The only clue - the strange handprint on the paper exactly matched the private seal of a certain eunuch in the palace. Under layers of fog, a shocking secret about the fairness of imperial examinations and the struggle for power in the court gradually emerged.