Seemingly fake jackets turn out to be real. An unknown assailant is killing peaceful dogs. And an industrialist becomes the victim of a sophisticated crime. In the middle of it all are the test thief Schlaicher and his Basset Dr. Watson. Together with Schlaicher's pubescent son, a real thief, and a business-savvy retiree, they find puzzle pieces that only Schlaicher can put together correctly. And this is despite him falling in love with the wrong woman and the gruff Commissioner Schlageter investigating against him. A humorous crime story with lovable characters, unusual crimes, and surprising twists. The tranquil Wiesental in the Southern Black Forest has a lot going on!.