Zheng Hao (Nie Yuan, Director of the Risk Control Bureau of Lingshui District Taxation Bureau, Xindong CityDecoration) used big data technology to solve major cases repeatedly and was transferred to the Inspection Bureau as the head of the Second Inspection Section; his ex-girlfriend Liang Jinqiu (Yang RongDecorated), after working in a foreign country for many years, he returned to China to develop his career at this time; and Zhao Mingda (Zhang Duo) was called the % high IQ iron triangle during his college years in college.) is in trouble because of her daughter's condition.

Xindong, which seems peaceful and peaceful, has a huge criminal network that makes profits by evading taxes in the dark. The fate of several people is turned into the unknown by the sudden situation...