A quiet suburban home is rocked by a poltergeist. A family under siege is desperate for answers. Researchers are baffled as to why the poltergeist has targeted the Herrmann family. Does the youngest family member hold the answer? Two decades later, "Poltergeist" terrifies moviegoers with a similar story of a family put through a living hell. You may think you know the story behind "Poltergeist." But this is The Shocking Truth.