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“First comes the warning. Then comes the mark. Then comes the terror.”

Julia Lund (Laura Regan), a psychology student, wants to prove that the night terrors she suffered as a child were only in her head. Then a friend from those years, Billy Parks (Jon Abrahams), is found dead, and she turns to her boyfriend Paul Loomis (Marc Blucas) and Sam Burnside (Ethan Embry), a fellow sufferer. Robert Harmon puts the three of them in one room, where Julia has to decide how much of her fear she can share.