I really enjoyed this picture, it's very rare in its form: quite inconstant. There are great shots and the colors are beautiful. There are a lot of moments filmed in the dark that worked perfectly. It is a lot fetishistic and has a tone of youth coolness that suits it really well. It's creepy and makes you feel guilty as a voyeur.
While it's got several nice moments, the whole film moves along slowly. Not necessarily, a bad thing considering the mood and suspense is great. However, visually it takes too much effort to watch. Over half the film takes place in night exterior, and the image looks to be constantly 2-3 stops underexposed.