Maks, an average resident of the "sovok" area, who together with his childhood friend Zheka goes to one of the many entrances to help buddy inject a dose of heroin. The tension of fear of being noticed leads to Maks losing the syringe, after which Zheka mysteriously disappears. The usual "panelka" entrance is more and more like the other side of hell, because it turns out that getting out of it is not easy. In search of a friend, the fear inside Maks grows as he grows around paranormal phenomena...