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This robust survival adventure follows a team of Soviet geologists stranded in the wilderness of Siberia after a forest fire severs their communication link with civilization. The opening dedication to Socialist heroes everywhere and the noble sacrifices made by each character carry the story dangerously close to propaganda, but the intensity of their ordeal (through smoke and fire, over snow and ice, across mountains and tundra) thankfully overwhelms the political simplicity of the script. Unfortunately, it also overwhelms the initial hints of tension between each of the four characters (three male, one female) after the struggle to survive becomes paramount. The sense of isolation and exposure is numbing; the film was directed with a strong sense of visual drama (including more than one knockout montage), showing everything an audience would ever want to know about being lost in Siberia.