Based on the book "Ich bin dann mal weg" by Hape Kerkeling where the author describes his journey on the Way of St. James, a pilgrimage route, and the people he encounters there.
Felix's school is haunted again, only this time it's not the benevolent spirit of school founder Otto Leonhard and the nuisance he caused, but the once hated and long-since dead Director Hulda Stingbeard. A coincidence causes the former shrunken and skeletonized school principle to rise again, leading to chaos...
The summer break is over and the twins returned to Lindenhof. That has now changed a lot. Because Mrs Theobald had to travel, Mademoiselle Bertoux has taken the lead.
