Metsäleiri
W lesie dziś nie zaśnie nikt (original)
Addicted to technology, a group of teens attends a rehabilitation camp in the forest, but a sinister force there intends to take them offline forever.
Starring Julia Wieniawa-Narkiewicz, Wiktoria Gąsiewska, Stanisław Cywka, Sebastian Dela, Michał Lupa, Gabriela Muskała, Mirosław Zbrojewicz, Michal Zbroja, Piotr Cyrwus, Małgorzata Szczerbowska
Watch "Metsäleiri" on Netflix released in 2020. It's a horror and thriller movie, and has a rating of 4.9 out of 10 from Imdb which is fairly low for this kind of movie.