Yes, Unknown is preposterous. That in and of itself is not a reason to avoid the movie. The problems lie in the way the absurdity is presented and the manner in which the screenplay resolves once the "truth" is revealed. Alfred Hitchcock rarely met an outrageous plot twist he didn't adore, yet he was so apt at filming serpentine thrillers that we rarely recognized we were being bamboozled until long after the end credits had rolled and the house lights had come up. Many of Hitchcock's best films, if handled by a lesser talent, might have looked something like Unknown. The material keeps our attention but, as we get closer to the inevitable point at which the curtain is pulled back, the movie starts to feel more like a parody than a serious endeavor.
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