Ms. Nina

Although the movie was mostly about he say-she say tension going on, it does keep the audience guessing what is the out come. But I strongly feel the ending was rather blunt. It's supposed to be the climax but I didn't feel the impact of realizing what the truth was. And some scenes just didn't make sense... What's up with the masturbating guy in the tunnel as well as the blind guy(am I missing some hidden message from the director?)