

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.
Ma Boyong
Beijing Television, iQiyi

Zhai Xiaoxing
Mao Panfeng

Fang Zibin
Song Ren

Wang Tonghui
Liu Jing

Tang Mengjia
Chen Xiaozhi

Yin Zhusheng
Li Shida