After copper miners discover part of the frozen tail of a prehistoric monster in Lapland, scientists inadvertently bring it back to life.

Sonia and David, a young couple from Paris, are on their way to the house the young woman has just inherited from her grandmother in the southwest of France. As soon as she enters the place, Sonia gets very strange feelings and begins to hear terrifying noises. She also feels the presence of an increasingly disquieting person. She is so frightened she wants to leave on the spot; but David can't feel or see any of the things she describes. However, when Sonia gets kidnapped, her boyfriend begins to sense something is going on. He decides to investigate in order to get the young woman back. As he does so, he will meet disturbing characters, unexpected and undreamed-of help, and a truth from beyond.

Five friends travel deep onto legendary tribal land looking to party and have a good time. But their disrespect for the land and the locals awakens an ancient protector who won't let them leave without paying for their crimes.