In a serene suburb of Globe, Arizona, a series of brutal murders disturbs the peace. The police investigate but are baffled by the killer's unique methods and apparent knowledge of sound engineering. Against this backdrop, Paul White, an amiable local sound expert, lives a quiet life with his wife, Joan, and their young daughter. Paul's expertise in audio work leads him to numerous wealthy clients, making him well-known in the community. However, as more details about the killings emerge, suspicion begins to fall on Paul due to his professional skills and proximity to the victims.

Joan begins to question Paul's whereabouts and behavior as tension mounts in their home. Meanwhile, an old acquaintance from Paul's past reappears, adding another layer of mystery and paranoia. Disturbing flashbacks and unsettling encounters drive Joan to doubt everything she knows about her husband. As the investigation progresses, startling revelations unfold, leading to a gripping series of events that challenge the very fabric of their lives. With growing evidence and personal confrontations, the unraveling truth brings devastating consequences, leaving an indelible impact on everyone involved.