When Vlada Koza, a mature Ukrainian woman, intrusive and caring, becomes a grandmother for the first time, she drops everything and travels to Sicily from her home in the Carpathian mountains to join her daughter... without warning! But the girl does not appreciate her mother's suffocating attention, so she puts her at the door without much hesitation. Thus, Vlada finds herself alone and penniless in the Sicilian hinterland. An unexpected car accident makes her become the unlikely governess of Don Fredo, boss of the Laganàs: a dysfunctional mafia family struggling to survive in the modern world. The irrepressible intrusiveness of Vlada, who loves feeling useful, taking care of others, fixing things and giving advice, seems to bring a hint of palpable well-being within the walls of Villa Laganà... At least until the day she finds out who Don Fredo and his children really are!

Palermo, Sicily, 1980. Mafia member Tommaso Buscetta decides to move to Brazil with his family fleeing the constant war between the different clans of the criminal organization. But when, after living several misfortunes, he is forced to return to Italy, he makes a bold decision that will change his life and the destiny of Cosa Nostra forever.