“Forbidden pleasures” The completely natural desire of private detective Tatyana Ivanova to spend a week on an uninhabited Volga island led to one of the most dizzying and dangerous investigations in her practice. The shooting of bandits, of which she was an involuntary witness, is just a link in a bloody chain of crimes... “Orange Room” It’s not easy to find a black cat in a dark room. It is even more difficult to find a folder with documents stolen from a businessman. Private detective Tatyana Ivanova is convinced of this as soon as she starts the search. She will have to spend the night in the morgue, visit the lair of cold-blooded killers, the crypts of an ancient cemetery, before she finds out the key to what secrets was kept in that ill-fated folder...