If a born detective, spending days and nights at work, suddenly decides to take a vacation, will he be able to rest or will he again fall into the maelstrom of criminal intrigue? A young nobleman and investigator for especially dangerous cases, Vikenty Petrusenko, and his family go on vacation to Baden-Baden. There, in the mountains of the Black Forest, more than a hundred years ago, the tragic and exciting events of the novel “Trap for a Ghost” unfolded. A famous international gang of smugglers and counterfeiters, led by a cruel and cunning scoundrel of noble blood, is terrorizing a small resort town. Detective Petrusenko will have to expose them - but first not be afraid to get into the ancient castle of the bloody countess, go down into the cold cellars of local landowners and even take to the skies on an airplane!