It all started when the power went out. It got worse when the sun went into hibernation. But there was no way to prepare for the terrible things that happened in the night; seven-year-old Holly uttered the phrase “I saw the darkness move.” just before she disappeared, and her mother has been looking for her ever since.
Words cannot describe what hides in the dark: The shape of a nightmare. The face of a shadow. The eyes that watch you sleep. The fear we impose on a void. Confronted by a supernatural plague that claims victims with arbitrary malice, Holly's mother is forced to navigate an absence of electricity, sunlight, and rationality if she has any hope of retrieving her daughter. But what will she have to sacrifice in order to get Holly back?