Never before had private detective Tatyana Ivanova been pulled into such a ridiculous case—searching for an internet acquaintance who had gone missing, known only by her online nickname, “Moth.” But Tatyana can’t refuse her client, Nikita Vasnetsov—a man whose presence makes her heart beat in the rhythm of tango. Of course, finding “Moth” turned out to be a piece of cake, and the case could have been closed right then—but a girl was attacked recently, and now she lies unconscious in the hospital.
Nikita ends up there too, through the fault of an unknown person—and only a few days ago he received a letter demanding that he hand over some treasure. Now Tatyana considers it her duty to find the culprit and find out what treasure they’re talking about…