Mysterious things have been going on in the small town of Trollheim for a long time. Locals whisper about the strange things happening in their forest, and about the children disappearing into it every year. And all because of the old mansion, standing in the middle of nowhere, which people called Raven Castle. Adam, who has moved to the town, and his two new classmates, Tara and Tobias, barely get to know each other, accidentally fall inside this sinister mansion. To survive until dawn (and at the same time save the whole world!), they will need not only to find out the terrible secret of the Raven Castle, but also to fight a real ancient Evil, which they recently considered empty fairy tales.An exciting fantasy thriller from the star duo Arne Lindman and Ida Shelbakken for everyone interested in Scandinavian mythology!