Finney Blake, a shy but clever 13-year-old boy, is abducted by a sadistic killer and trapped in a soundproof basement where screaming is of little use. When a disconnected phone on the wall begins to ring, Finney discovers that he can hear the voices of the killer’s previous victims. And they are dead set on making sure that what happened to them doesn’t happen to Finney.
As a serial killer stalks the city, Julia — a young actress who just moved to town with her husband — notices a mysterious stranger watching her from across the street.
Jordan Turner is an experienced 911 operator but when she makes an error in judgment and a call ends badly, Jordan is rattled and unsure if she can continue. But when teenager Casey Welson is abducted in the back of a man's car and calls 911, Jordan is the one called upon to use all of her experience, insights and quick thinking to help Casey escape, and not just to save her, but to make sure the man is brought to justice.
Chris and his girlfriend Rose go upstate to visit her parents for the weekend. At first, Chris reads the family's overly accommodating behavior as nervous attempts to deal with their daughter's interracial relationship, but as the weekend progresses, a series of increasingly disturbing discoveries lead him to a truth that he never could have imagined.