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.
Zhang Ruoyun
Qi Wei
Wang Yang
Wu Gang
Gao Yalin
Fei Qiming
Hou Yansong
Zhai Xiaoxing
Fang Zibin
Wang Tonghui
Tang Mengjia
Yin Zhusheng
Qian Yi
Fan Zhang