Varjoja Kannaksella

The film follows Lieutenant Ville Somero as he investigates a sabotage incident at a fortress site on the Karelian Isthmus during the summer of 1939. His inquiry leads him to suspect the guests of a nearby guesthouse, which adds layers of intrigue to the plot.

In addition to Somero's investigation, the story features characters like Aarno Teräs, an engineer overseeing the fortification, and his bride, Birgit Lahti. They find themselves entangled in a web of espionage involving a group of spies and the dancer Veronica Sorrento, enhancing the tension within the narrative.

Collecting Varjoja Kannaksella offers a view into Finnish cinema of the era, showcasing how local filmmakers addressed themes of espionage and drama during a tumultuous historical period.