Watch FilmoFlix. A film based on the event of the first three seasons of of the series "Stranger Things" Season 3. Early Winter, 1985. Presumed dead by the world, Jim Hopper finds himself trapped in a secret gulag, the Pot’ma Camp. Haunted by visions of his past, Hopper struggles to survive days after days in the camp. Until Dmitri Antonov, a guard also tormented by his own demons, offers him a chance to escape.