When a gruesomely staged body is found, propped up on a mountain pass in the Alps close to the German-Austrian border, two detectives are sent to investigate. For German detective Ellie, this is the first real challenge of her career her Austrian counterpart Gedeon though seems to have lost any ambitions in his job. Very soon, they discover more crime scenes with symbolically posed victims, reminiscent of pagan rituals. It all seems to be part of a bigger, sinister plan. Ellie finds herself under increasing pressure to understand the deranged killer's motives so she can stop him. The hunt leads them ever deeper in the dark valleys and archaic Alpine“我错了,我们知道错了,我不知道到底是谁让我们这么做的,只是在今天上午有个男人找到我们说让我们来机场,见到一个女人之后就将她绑走,可对方来找我们的时候是戴着鸭舌帽和口罩的,我们根本就看不清他的样子!”……