The school seemed to be like any other school. But there was something hidden in its walls. One particular night, its secrets would finally be revealed to three groups of people, who spend the after hours in the old building: A late night photo shoot. - An evening seminar for people who fear death. - A secret meeting between two girls in love. - They didn't know they wouldn't be able to leave. On the other side of the threshold an invisible and inexplicable wall of strangulation and lethal noise keeps them trapped inside. It seems to be their destiny to get more and more entangled in the mysteries of that very night - And to confront the wonder - and the horror - of an alien presence.

In an attempt to reunite with her dead girlfriend, Maya evokes dark forces through occult rituals, with devastating results. She has opened a portal to hell and must now fight to survive against a small band of angry and deadly spirits, who twist and turn her reality into a living nightmare.

As it becomes more and more difficult to distinguish memories from reality, Elin needs to find a way and save her life in the present.