This school student tricks a female classmate into going on a long car journey with him. On the way he foolishly decides to take a shortcut through a forest, while taking this "shortcut" he gets forced off the road by a ghostlike police officer, driving in the opposite direction. Their car gets stuck in snow. Spending the night sleeping in the vehicle they are dealing with low temperatures and strange encounters with the ghost police officer, where dreams and reality become indistinguishable.

Wind Chill (http://www.imdb.com/title/tt0486051/)