Finally, Brad Anderson is able to combine both the heartfelt earnestness of "Next Stop Wonderland" with the creepy otherworldliness of "The Machinist" in a single project, but without a reliance on coincidence or a secret twist ending. The tension rarely abates in this claustrophobic trek across Siberia in which the partly naive American couple find themselves in deep, deep trouble. Ben Kingsley once again transforms himself from charm personified into a heavy to be feared. The only downside is that handheld-shot footage should come with a warning for those of us with severe motion sickness.