Masha encounters the insidious Nanny again. But now the villain has a new ally - the charming swindler Anton. At stake is the school graduation! Together with her friend Yegor, Masha must stop the criminals and save the most important evening of the year.

Three friends, Naika, Zhenya, and Alisa, embark on a traditional spa weekend to escape their routine and family roles, but especially their mothers-in-law. Their plans are ruined when Naika's future mother-in-law, Margarita Pavlovna, unexpectedly joins them, and the three friends' escape from reality and everyday life turns into a true test of their friendship. It turns out they all view life differently.