At an opera festival, a famous Spanish tenor has a luxurious cloak embroidered with gold and diamonds stolen. The performance in which he is supposed to appear will take place in three days. The city’s best private detective, Tatyana Ivanova, suspects the costume designer José, who vanished at the same time as the precious props. The truth is, on his way out he left behind a strange note. Following the address from the message, Tania finds five corpses and an FSB ambush. It turns out the cloak was literally stuffed with drugs…