After the war, Trofim returned to his native village from Germany with a girl who had lost her memory in a concentration camp. The care and compassion of the villagers helped the girl to return to a full-blooded life.

Chekist Olga Anisimova, who infiltrated the White Guard center in Harbin, and border guard Aleksei Mogilov prevent a number of provocations on the Chinese Eastern Railway, uncovering a conspiracy between the White Chinese and the White Guard center in Harbin.

A murderer is using every possible trick in his efforts to escape from justice. He is extremely crafty in his ways of infiltrating the government. He becomes a politician with growing status and influence and an official immunity from prosecution.

On instructions from Polish intelligence, a group of bandits dress up in Red Army uniforms and attack a Soviet border town.