After surviving a near-fatal accident, track coach and mother Dana awakens in a hospital, paralyzed and imprisoned in her own body. While struggling to regain control of her life, Dana is confronted with a vindictive spirit; a terrifying presence called Nails, whom she is convinced exists inside her hospital room. Faced with skepticism from her husband, doctors and the staff, Dana is left struggling to keep her grip on reality as the targeted attacks grow increasingly violent. To save her marriage and her life, Dana must find a way to convince her family that Nails is real before he succeeds in destroying her and everyone who stands in his way.
