Kurosawa treats composition and expectation interchangeably: when he fills the screen with negative space, you know there's no way it will end well. As a result this film, like his others, oozes creepy without effort. Yet by the end, the true horror comes not from ghosts, but from the characters' own defeated expectations and insecurities about their future. That's probably scarier
The plot synopsis on this page is very accurate, but of a completely different Kurosawa movie ('Kairo,' AKA 'Pulse')! To be sure, both movies riff off of contemporary pop horror cinema, and both are really about alienation and hopelessness. And both are derivative: Kairo is a reimagining of the technological horror genre (think 'One Missed Call'), while this movie is based, loosely, on 'Seance on a Wet Afternoon.'
The movie falls apart for me, because of the lack of believability in the actions of the characters. I do think there are some genuinely fantastic moments. But I feel that there are more moments where the film is just confused as to what it wants to be. Not quite a good or bad movie.