Once again, the three detectives are confronted in this case with tricky puzzles verses and related matters that need to be solved. Here you are not only totally fractious offspring of the disappeared in the way. Apparently there is a secret adversary who is not excited about the detective skills of the three friends, and to prevent by all means tries that the case is solved
While some effects of the three ??? Downright scary (at least at first listen) (eg The Witches phone Geheimakte Ufoetc.), Is the secret key back to the classic puzzle cracking. It nevertheless manages to captivate the listeners and to surprise the one time or another.
In particular, the resolution of the case, I think that is excellent! Definitely a highly recommended due to the three detectives!