Lieutenant Ville Somero investigates a sabotage at a fortress site on the Karelian Isthmus in the summer of 1939. His suspicions are directed at the guests of a nearby guesthouse. Aarno Teräs an engineer leading the fortification site, and his bride Birgit Lahti get into trouble because of a band of spies and dancer Veronica Sorrento.
Cast
Matti Lehtelä
Ville Somero
Dolly von Alfthan
Veronica Sorrento
Ensio Jouko
Kausalainen
Aarno Kivistö
Aarno Teräs
Anna-Liisa Sarvanto
Birgit Lahti
Verna Piponius
Ms. Lindström
Sven Relander
Suhonen
Aune Häme
Mrs. Berg
Runar Schauman
Maximov
Eero Leväluoma
Tuomi
Vilho Siivola
Limppunaama
Erkki Uotila
Karvonen
Joel Asikainen
Unknown
Kerttu Salmi
Unknown
Eino Haavisto
Unknown
Oiva Turunen
Unknown
Urho Virta
Unknown
Pentti Saares
Unknown
Armand Lohikoski
Unknown
