The film tells the story of the tragic fate of a young girl - the daughter of a clergyman, the Soviet partisan. The action takes place in Lviv on the eve of and during World War II.

For several months, the investigation into the robbery of the cashier in the village of Airport. Assistants to the chief of criminal investigation department Mironov managed to find the direct traces leading to the thief-the recidivist Panasyuk serving sentence in a colony for small theft.

After the end of the Civil War, nurse and intelligence officer Anna Dzyuba returns to her hometown with her commissar husband. Here she has to make a difficult choice between ideological associates who establish Soviet power and childhood friends associated with the anti-Soviet underground.

A young shepherd Yanka tries to save his beloved girl Marinka with the help of his magic fife.

During the construction of an oil pipeline, an unexploded bottom mine was discovered. The dangerous situation brings back memories of wartime events for diver Gnat.