beautifully shot against the frozen winter landscapes of grenoble and geneva , the film unfolds with all the mounting tension of an expert thriller , until the tragedy beneath it all gradually reveals itself . 
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(ROOT (S (S (ADVP (RB )) (VP (VBN ) (PP (IN ) (NP (NP (DT ) (VBN ) (NN ) (NNS )) (PP (IN ) (NP (NNP ) (CC ) (NNP ))))))) (, ) (NP (DT ) (NN )) (VP (VBZ ) (PP (IN ) (NP (NP (PDT ) (DT ) (VBG ) (NN )) (PP (IN ) (NP (DT ) (NN ) (NN ))))) (, ) (SBAR (IN ) (S (NP (NP (DT ) (NN )) (PP (IN ) (NP (NP (PRP )) (NP (DT ))))) (ADVP (RB )) (VP (VBZ ) (NP (PRP )))))) (. )))