The legendary Loreley has been living for centuries in a grotto beneath the river Rhein in Germany. Every night when the moon is full, she turns into a reptile-like creature craving for human blood. When one girl after another of a nearby boarding school is killed by her, a hunter named Sirgurd is engaged to kill the monster

一个美国家庭继承了挪威山区一座偏僻的小木屋，实现了他们落叶归根的梦想，但却没想到有一个惊喜也在等着他们。