The story begins when a young man finds himself alone in his house after his father leaves for a few days. Quickly affected by the loneliness, he starts having highly realistic and terrifying nightmares featuring a frightening woman. Consumed by fear and unable to sleep, he decides to call his friends in the middle of the night to come reassure him and keep him company.
To help him overcome his anxiety, the group of friends gathers at his place with alcohol, intending to joke around and relax. While his friends initially mock his fear, the situation quickly takes a deadly turn. What was supposed to be a simple, entertaining evening turns into a nightmarish confrontation with terrifying events, forcing the group to fight for their survival against a menacing entity.