It waits you after a threshold. It. something terrible, something such, that it is nowise impossible to look over. Because one only look to this creature? device? man? threatens madness and death.Humanity left off to exist. The handful of survivor is hidden in the neglected houses with the fastened with nails windows, not deciding to go out outside. Мэлани, unmarried mother with two children, decides finally to hurry from it houses-prisons - to hurry there, where, on to the rumors, yet there are people, there, where safely.A terrible test coming her: twenty miles down-stream in an unreliable boat, with the strung eyes, depending only upon the keen ear of her kids. Four-year-old children that grew and studied to distinguish sounds in darkness of little stuffy rooms.One incorrect motion - and they are doomed. Does someone walk alongside, someone constantly watches after them is an ordinary animal or monster?