The Residence of Mr Finkle

Publisher's blurb: Your investigators will certainly want to visit this beautiful and richly decorated property. Here luxury is everywhere, but also discretion. If they want to ask for information, they will probably have to wear a mask to hide their identity and enter the many small rooms and salons. Perhaps you will meet the host of these places... Who knows? It is said that he sometimes shows up at big parties that he gives in honor of some ancient god...