A young man slowly loses himself more and more into a dream world and his own nightmares. But what if the dreams are real?

一个连环杀手连续13个冬天在圣诞节前夕行凶，马上就要圣诞节了，调查人员与时间赛跑，争分夺秒想要弄清楚这位圣诞杀手的下一个目标是什么。