迪亚特洛夫事件

January 1959, Soviet Union. In the icy Ural Mountains, a group of nine students sets out on a ski trek. Even though they all are well-experienced hikers, they never reach their destination. As their bodies turn up a month later, it leaves local investigators puzzled. Their tent was cut open from the inside, they are found frozen stiff in their underwear spread around the camp, ...