When Shuai Jiamo, who is obsessed with mathematics, stumbles upon a historical problem in Jinhua County, he was met with multiple obstacles in his attempts to correct the mistake, triggering a tension between various stakeholders.
Shuai Jiamo
Feng Biyu
Cheng Renqing
Fan Yuan
Huang Ningdao
Feng Baoyu
Chen Xiaozhi / 陈小枝, Chen Xiaozhi
Song Ren / 金安府通判 宋仁, Song Ren
Mao Panfeng / 揽溪知县 毛攀凤, Mao Panfeng
Fang Maozhen, Fang Maozhen / 仁华县令 方懋珍
Ren Yi, Ren Yi / 万成主簿 任意
Liu Jing / 奉兴巡按御史 刘景, Liu Jing
Li Shida / 奉兴巡抚 李世达, Li Shida
Lu Feilong
Child Shuai Jiamo
Shuai Duncheng
Fang Family Advisor
Liu Yue'e
Deng Siqi
Ma Wencai
Chen Dashan
Senior Clerk
Cheng Yuan
Storyteller
Prison Guard A
Prisoner A
Head Constable
Feng Cheng
Yingying
Cuihong
Zhuang Santi
Broker
Military Officer
Doctor
Madam Fang
Clerk A
Clerk B
Justice Office's Senior Clerk
Li Shida's Scribe