The glamorous Rosalia Stanislavovna, a lady well over thirty, is still rocking... Dressed up in an evening dress and, walking briskly in stiletto heels, she led her friends to celebrate Ivan Kupala Night to the local pond. And of course, it came down to wreaths thrown into the water: they say, the one who floats farthest will jump out to get married faster. Rosalia distinguished herself here too – she threw stones at her rivals’ wreaths. And what? She's beyond competition! She doesn't care at all. The son of Alexandra Kupatova, whose hospitality Rosie had been happily abusing for a week, was brutally murdered. Kupatova's relatives are shedding tears, Rosalia's daughter-in-law Katarina has again plunged into the murder investigation. And Rosie is sure to get in the way, starting her unsurpassed pranks, one more bitter than the other...