Guests - rich and influential people - are coming to the castle of millionaire and passionate collector Dmitry Voronov. The purpose of their visit is to taste elite wine, bought by the owner of the castle for crazy money. In the best detective traditions, one of the guests, a beautiful blonde, is found strangled the next morning. Everyone understands that the truth is in wine. But the one who investigates the murder is an amateur in this matter. Together with him, the reader will have to understand the intricacies of the production of real French champagne, the features of Bordeaux and Burgundy wines, learn to read a wine label or wine passport, and also choose wines for a meal. And only then will the key to the solution be found, because the crime committed is non-trivial, and its motive is understandable only to a true collector.