Karlotta Moran, razvedennaya mat s tremya detmi, neozhidanno okazyvaetsya v nastoyaschem koshmare, kogda nochyu na nee napadaet nekaya nevidimaya suschnost. Lishennoe tela, eto sozdanie ugrozhaet zhizni zhenschiny, terroriziruet ee detey, no samoe hudshee zaklyuchaetsya v tom, chto ey nikto ne verit. V tom chisle psihiatr Geri Shnayderman, kotoryy schitaet ee psihopatkoy i ugrozoy dlya semi. Tem vremenem Karlottu nachinayut presledovat i na ulitse, veschi vokrug nee zhivut sobstvennoy zhiznyu, a suschnostey stanovitsya bolshe. Togda ona obraschaetsya k kollegam Shnaydermana, uvlekayuschimsya parapsihologiey, kotorye schitayut, chto neschastnuyu muchaet moguschestvennaya sila, obitayuschaya za granyu nashey realnosti. No istina mozhet okazatsya kuda strashnee, chem predpolozheniya vseh uchastnikov etoy istorii.