Yun Province.
As the southernmost province of Huaxia, it shares its borders with several neighboring countries to the south. It is also the region in the Huaxia hinterland with the highest prevalence of narcotics. Although countless anti-narcotics police and border guards have used their lives to forge an iron net, blocking the vast majority of drugs from crossing the border, no amount of vigilance can fully deter those vicious, greedy criminals from coveting this lucrative prize. They are always finding ways to disseminate these highly profitable drugs here.
Ban City.
Chapter 74