In 1993, a large number of Chinese businessmen poured into Russia’s gold rush. Among them, there were a few distinctive faces. They snoop on the small traders, seek help between gangland and police. They are a secret group dispatched by the Chinese police. Their goal in this trip is find out information clues that Chinese and Russian K3 train robberies which was shocking the word and arrest all the suspects secretly. Led by Chen Erli (Xia Yu) – the head of the Chinese police team, after the team overcame numerous obstacles and suffered many tribulations, launching a tortuous pursuit in a distant foreign land.