Train with a Special Mark

1982. A series of unusual robberies takes place in Komsomolsk-on-Amur. In three days, eight apartments have been robbed, and the thieves managed to take away a huge sum. Each time, as a form of intimidation, the criminals used... a poisonous viper. The snake bit the victim, and out of fear, the person became compliant and handed over all their savings. The elimination of the gang is entrusted to a group led by Captain Vadim Kravtsov. The operatives set up an ambush at the savings bank where the victims were withdrawing money. But the bandits, sensing the surveillance, go underground. The only way to sneak out of the city unnoticed is by train. The detectives alert the transport police and set up posts at the train stations. Soon, Kravtsov receives a message that people with the described features have been spotted in a compartment of one of the long-distance trains…