Sara Utah, a radio producer filling in for Julio Cambare, a beloved late-night host who recently passed away. Center Radio, a seemingly mundane station in Florida, harbors dark secrets that begin to reveal themselves during Sara's broadcasts. Strange occurrences plague the station: cryptic voices, chilling cold spots, and the sound of children's laughter haunting its empty halls. Sara is soon joined by Sam Jeffers, another radio host, and Emmitt Hawk, a TV psychic, to uncover the mysterious and violent past of the radio station.