In the early 1990s, the Soviet Union collapsed and the Russian economy was close to collapse. A large number of Chinese businessmen took the K3 Beijing-Moscow international train to resell Chinese goods to Russia, earning sky-high profits. A group of ruthless gangsters headed by Miao Qingshan carried out a frenzied series of robberies and rapes on the K3 train, which carried huge amounts of cash and wealth. The case shocked the world! Chinese policeman Cui Zhenhai leads a public security team disguised as businessmen and goes deep into Moscow to launch an arrest operation. In the process, a mysterious man named Vasily and a woman named Zhenzhen attracted the attention of the police, and a larger shocking conspiracy was gradually revealed... The film is adapted from China's first real cross-border pursuit case.