I Soliti Idioti return to the cinema ten years after the second film and many things have changed in the world. We will see the most beloved characters compete with the contemporary, with the same cynical and amused eye that distinguished the previous episodes. This new adventure focuses on a current and universal theme: the family.
Candida is a fifteen year old from Sicily, who lives with her father Salvo. When he loses his job, they leave for Turin. Candida has to integrate in a new school where she is bullied, as does her partner Jacopo. But thanks to her positivity, it will be Candida who will let Jacopo out of his isolation, making him discover that everything is good, even when it is not great.
The "Tucci" are a poor Italian family living in a small village in Lazio. Father, mother, a conceited daughter and a genius son, forced to pretend being stupid to keep up with the family. One day something unexpected happens: the family wins one hundred million Euros. Excited, they decide to keep the winning a secret, but as soon as a single word slips out from the mouth of the householder, they only have one choice to avoid being persecuted by friends and acquaintances: run away. They leave at night, heading to Milan. They will realize as soon as they arrive that today's rich people behaves very differently from the past, and being rich has become a real bother... this discovery will make things way different from what Tuccis' expected.
In Milan, Matteo is an underemployed physicist, giving the occasional lecture at a university while working at a PR firm where he knows he'll be fired. Without his really trying, two women are attracted to him, a blond and a brunette. The blond is Angelica; they meet smoking on the office rooftop. To his surprise, she has clout in the company and soon has him flying off (with her) to make presentations. The brunette is Beatrice, a new flatmate, hoping for a teaching job in the national service. Angelica dangles a posting with her in Barcelona; Beatrice is simply Beatrice. Will Matteo figure out what he wants - and decide before opportunity passes him by?
Lillo (Christian De Sica) married Milena, one of the richest women in Europe. The marriage contract provides that Lillo undertakes to never cheat on her, under penalty of divorce and not even a penny of alimony. But one day he meets Barbara (Sabrina Ferilli) and it's immediately irresistible passion... Filippo Vessato (Fabio De Luigi) is a young surgeon who, to make a career, is forced to suffer the harassment of his head, Professor Benci (Claudio Bisio). Filippo is about to go to New York to get married and Benci does not miss an opportunity to further harass him by asking him to bring a gift to his son, a "model" student at Riverside College.
In Christmastime Miami, heartbroken divorcée Giorgio invites himself to stay at his best friend Mario's — unaware that the latter is having an affair with his ex-wife — and ends up pursued by Mario's barely-of-age daughter; nosy and out-of-touch Ranuccio crashes his son's sex-themed holidays before ending up in a series of mishaps with Giorgio.
2001. Soon-to-be-graduate David gets involved in the anti-globalization movement after falling for activist Viola in the months preceding the fateful events of the G8 summit in Genoa.