The film "Dark Border" is a drama set in 1938. Latvian counter-intelligence officer Baltais, posing as journalist Ilmārs Blanks, is sent on a secret mission to a border town to retrieve important state security information and expose a Russian agent. In this place, he uncovers the truth about the mysterious murder of his beloved woman. The film is in Latvian with English subtitles and has a runtime of 2 hours.