Charlie Kaufman scripts are tricky things. With all the right other elements in place, they can be great (Adaptation, for example). If not, however, they just don't quite work. Sometimes, a director who can handle his work right (e.g. Spike Jonze) is on board, but the film is miscast (Being John Malkovich - I really thought Diaz and Keener were wrong). Other times, the cast is right, but the director is all wrong (Human Nature). This film falls under the latter. It just felt like the movie never quite came together. We never got too involved with the characters, and the editing, pacing, and direction didn't let them develop at all. I thought it was a very interesting idea, and I thought the actors did fine jobs, but the movie wasn't what it could have been.