On the life and activities of N.I. Podvoysky (1880-1948), a professional revolutionary and commander of the Red Army.

The former paratrooper, and now the worker of the geological party Sergey Krutov, hurries to the station to meet a stranger girl and take a note from her for his friend - Having delivered the cherished message, he gladly learns about the arrival of the one he was thinking about, saving someone else's love.