The Mystery of the Kaleva (2012)

“The Mystery of the Kaleva” is a documentary about a Finnish passenger plane OH-ALL Kaleva that was shot down during peacetime in 1940 by two Soviet bombers. Nine people from six countries were killed.
Toivo Kallas, a contemporary historian and a professional architect, has been investigating this politically controversial story about OH-ALL Kaleva since 2002. Why was the plane shot down during peacetime? What documents, conspiracies or secrets were hidden on that plane?
Toivo Kallas has gone through archive materials from Russia, Finland, Sweden and Estonia and collaborating with many people in finding the truth.
Fascinating plane wreck searches are combined with interviews with family members of those killed. In 2008 Toivo Kallas and Polarfilm film crew went to search for the plane with a United States Naval Ship Pathfinder that used underwater robots in searching for the plane on the seabed. "The Mystery of the Kaleva" shows Toivo Kallas's journey of finding out the mystery about OH-ALL Kaleva during the last ten years.