The young scientist Eric Hokart decided to settle away from the bustle and civilization - to build himself a house in the mountains, where ancient Indian tribes once lived. Suddenly it turns out that nearby there is a sanctuary and at the same time a “window” into a parallel world, a world; where evil reigns. Contacts with the Upside Down are exciting, but dangerous. However, curious and courageous heroes not only return from there safe and sound, but also find their love.