It might sound weird but before watching a movie, I don't read what it's about. When you do read the story, sometimes you loose the first 30 minutes because you already know what is going to happen. I'd rather discover the events together with the characters and I think it is a much more rewarding watching experience. So, before watching this flick, I didn't have a clue what it was about and the beginning was quite fascinating. Indeed, did Julianne Moore's character really have a kid or is she just really crazy ? So, I thought it could be a deep and fascinating character study going all psychological but, unfortunately, it wasn't meant to be. Within 20 minutes, it is revealed that her son has been adducted by Aliens and the rest of the movie is just a succession of endless and boring action scenes... I thought it was so frustrating... I mean, they have a perfectly fine premise (a woman who desperatly wants a child, gets a miscarriage and makes him up) but, instead, they completely ruined it. Julianne Moore shouldn't be blamed, she does her best with the character but she won't be remembered for this movie, that's for sure. To conclude, it is a really average thriller and it is not really worth a look.