In the treacherous and swampy forests that form the so-called green border between Belarus and Poland, refugees from the Middle East and Africa find themselves in geopolitical shackles. The false hope of a safer Europe is replaced by horror and modern tragedy. In this invisible war, the lives of Julia, who has given up comforts and has just become an activist, the young frontiersman Jan and the Syrian family are intertwined. Agnieszka Holland's film, which caused a huge stir in Poland, raises the question: can different sides of the barricades find a common language when the border becomes a graveyard of broken dreams?