Jens has a secret. A small breath of the cold wind has taken hold of him and is growing ever stronger. This means that an evil is growing in him.

He has nightmares about the swamp where the ghosts nest. It is a dark place surrounded by naked trees and an awful stench. In his dreams he can see skeletons rise from the swamp. He also dreams about the evil ghosts Johannes, who has a plan to use Jens to regain his physical body.

The 4th book in the Frosty-series.