The fox discovered a centuries-old secret in Rapperswil. Napoleon's troops have already tried to air it - without success. Will the fox and his pursuers make it? Archaeological scientific puzzles and deer to be tamed are waiting for you. But a smart head is not the only thing you need. A lot of courage is also an advantage, because you must not be intimidated by the torture cellar and abandoned underground passages and you have to show strong nerves!