It has moments of creepiness, some of which are vaguely satisfying, but in the end Michelle Pfeiffer's character is whiny and irritating, and whether or not you like her other stuff, you're not going to like her very much right here. Watch the Sixth Sense again. You'll be happier. I don't feel too terrible about posting a spoiler. How dense do you have to be.
Spoiler starts here.
Harrison Ford did it. The box says so. The previews for the movie on HBO say so. A husbands past indescretion comes back to haunt them. There it is.