In a secluded university high in the French Alps, a mysterious and brutal serial killer is spreading fear and terror. During the investigation, the paths of the taciturn professional cop Pierre Niémans soon cross with those of the young, hot-headed detective Max Kerkerian. On the border of death and eternal ice, they finally uncover the secret of the purple rivers ... The screening is in the original version with German subtitles (OmU). Spoken language: French.
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