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.

Cast:Zhang Ruoyun, Qi Wei, Wang Yang, Wu Gang, Gao Yalin, Fei Qiming,

Genre:Drama, Mystery,

country:China,

Production:Liu Bai Entertainment 留白影视, iQIYI,