When forensic psychologist Dr. Jack Carter returned to consciousness, he and his wife, Sarah, had been missing for over a year. With no memory of their last days together, Jack became the prime suspect in her disappearance. Vowing to search for her to the ends of the Earth, he's drawn to the site of a gruesome double murder in small-town Mississippi. Two normal teenage boys with no history of violence slaughtered two girls named Sarah in an occult ritual, and their jailhouse confession idolizes the lyrics of a song by doom metal band The Metal Black. Blaming the teen's violence on the song's macabre lyrics, their grieving mother brings a lawsuit against the band. Brought on to the case as an impartial psychological consultant, Jack finds eerie similarities between the song's descriptions of the violent death of a woman named Sarah, his wife's disappearance, and the teen murders. When Jack meets the songwriter, he discovers a mystery beneath the sleepy town that causes him to question his own fragile sanity.