Brilliant mise-en-scène and excellent acting in this chilling psychological thriller, an exceptional, multi-twisted script full of lies, fraud, faked evidences and changing realities - but, and that's very rare in this genre, the end is as disturbing as it is logical and does not insult the viewer's intelligence. All the irritating twists displayed in the masterfully puzzled flashback scenes are dissolved to make sense towards the end. The solution is developing and it's achieved without lengthy or clumsy explanations - which makes it superior to even classics such as LES DIABOLIQUES, SILENCE OF THE LAMBS, SE7EN or THE USUAL SUSPECTS. Speaking of the latter two: hello Hollywood, if you're planning to do a remake from this, try to get Kevin Spacey for the main character, he would fit like a glove. And please cast Sigourney or Annette Bening instead of J-Lo for the female lead... Don't get me wrong - this movie is just perfect and does not need a reworking, it can't be crafted any better (same as "Abre mes ojos" or "Spoorloos"). But a big name US cast sure would help to provide a far better international marketing for this exceptional thriller. It's a shame that it did not get a theatrical release in most European countries - including Germany, where it had toured a few weeks in 4 cities within the FANTASY FILMFEST and then disappeared from the big screen. This is as surprising as the fact that the brilliant director, Laura Mana, is generally known as an actress. But maybe that's one reason for the outstanding performances delivered here. Definitely a must-see!