How could such a promising film end up so complicated? What started off as a simple premise of a couple having to choose to push the button or not, ended up so jumbled. If they opted to press it then they would be £1m richer, but with the fact that someone somewhere will have died as a result of their decision, it makes the predicament all that harder. I had assumed that once they pressed it, the next couple who are in receipt of the box would ultimately make a decision that could end up killing the previous pushers of the button. I think I was partly right, but to be honest I've no idea, as it just became so unnecessarily twisted and over the top Sci-Fi. Part of me almost gave it up, but the persistent part of me wanted to see it through to the end to see if anything became clearer - Alas, it didn't. I had wanted to see this for a while so I was very disappointed with the outcome, and should anyone need me to describe what happened, I would struggle to explain how it all concluded despite having read Wikipedia. I wouldn't really recommend this, only to a Sci-Fi expert, in the hope that they might be able to tie up all the loose ends that made all of this just one big mystery to me. I don't really associate Cameron Diaz with this sort of film, and it's one I'll now remember for all the wrong reasons. Difficult to watch, difficult to review, and difficult to see myself ever watching this again!