Rozalia Stanislavovna is furious. Why! Her uncomplaining Natka, who fulfilled all the wild whims of her mistress, is now a lady herself, and what a lady! Kazimir Denisov, a handsome man and a rich bachelor, can’t wait for his wedding day. The modest Natasha glows with happiness and diamond jewelry, which her future husband generously gifts her with. And Rosie is simply seething with indignation. There is very little time left before the wedding when Kazimir is killed on the porch of his own house. Natalya breaks down in sobs: she not only lost her loved one, but also became the main suspect. Rosalia's daughter-in-law, amateur detective Katarina Kopeikina, will not leave it all like that. The destroyer of women's happiness will get what he deserves! Maybe then Natka will be at least a little consoled...