Caroline Culver awakens in the middle of the night to loud thuds coming from the basement of her new home. When Deputy Sheriff Marshall arrives to investigate, he brings the history of the house into question. In the basement, they discover a fake wall with something mysterious and terrifying lurking on the other side…

This is where mystery author Annie Anderson always gets stuck while writing her new book. She has a case of writer’s block and is being haunted by terrible nightmares where ominous faces in the wall tell her she is going to die. She is unsure of where to turn to for help, and her “best friend” Sophie is not quite the friend she pretends to be. When the two attend a surprise birthday party, Annie becomes acquainted with a kind man named Uncle Jessie who has a secret that is hard to believe. At the party, she is struck by the same frightening vision from her dream, and Jessie tries to convince her that someone may be plotting against her.

Annie is drawn into a strange new world, as Sophie steadily makes a transformation to the darker side, abandoning the person she used to be. If only Annie knew what was in store for her…