This is how it would happen if it ever did. Real people in real life in real places. Not that I don't enjoy a good atmospheric spook tale but this has grit. It's real life depicting the afterlife in order to solve an abduction. No dark gothic mansion or demonic spirits doing impossible acts of let's face it, BS acrobatics and unbelievable, senseless feats. This film is all the more disturbing for exactly these reasons. Brilliant performances by all. To conclude, it's marvelous.