How to charm a misogynist in five minutes? Neither intelligence nor beauty will help here. All that remains is a sense of humor. Polina laughed until she felt colic at the sight of Sasha, huddled in a corner at their first meeting. As a result, the girl acquired not only a generous admirer, but also a loyal friend. Which turned out to be especially important when she had to investigate a series of fatal cyanide poisonings. It all started with the murder of Lyudka’s best friend – a terrible gossip, a grouch and a mischief-maker. But they don’t take their lives for this, do they? Polina and Sasha think the same thing, which is why they set about searching for the arrogant and elusive criminal...