Paleontologist Grant Coleman and environmentalist Janaina Silva, lost in the Amazon rain forest, discover an isolated logging camp, and the chance to hitch a ride back to civilization. But the workers uncover a fossil of a giant snake, almost fifteen meters long. Grant is thrilled, but the superstitious workers believe they have let loose a demon. That night, the world begins to unravel. A mysterious creature attacks the camp, kills several men, and...