When Gabriel and Emilie meet by chance, he offers her a ride, and they spend the evening talking, laughing and getting along famously. At the end of the night, Emilie declines Gabriel's offer of "a kiss without consequences". Emilie admonishes him that the kiss could have unexpected consequences, and tells him a story, unfolding in flashbacks, about the impossibility of indulging your desires without affecting someone else's life.

This film focuses on contemporary 30- and 40-somethings trying to make sense of their lives in an age in which the old certainties have disappeared. Lorenzo and Davide make their lives together within a circle that includes Antonio and Angelica, married with children; Nerval and her policeman husband.

When Antonia's husband Massimo is killed in a car accident, she accidentally discovers that he has been having a same-sex affair with a produce wholesaler named Michele.

Giulia and Carlo have been happy together for three years, but Giulia's announcement that she is pregnant sends him into a secret panic. Terrified at his imminent entry into the adult world of irreversible responsibilities, Carlo finds himself tempted by a bewitching 18-year-old girl, Francesca, whom he meets by chance at a wedding. The possibility of one last youthful crazy fling before the impending prison of parenthood proves to be too attractive to resist.

A look at the lives of Carlo, Giulia, and their friends some 10 years after the events of L'Ultimo bacio.

1970s, six-and-a-half-year-old Sébastien is a sensitive, highly imaginative child. Despite the affection he feels for his father, a dreamy inventor, he notices his mother's loneliness and how there is a lack of love in her life. When they move the house, it won't be long before he sees in Philippe, his new neighbor, an ideal Prince Charming for his mother.

After serving prison time for a juvenile offense, Freddo gathers his old buddies Libano and Dandi and embarks on a crime spree that makes the trio the most powerful gangsters in Rome. Libano loves their new status, and seeks to spread their influence throughout the underworld, while the other two pursue more fleshly desires. For decades, their gang perpetrates extravagant crimes, until paranoia threatens to split the friends apart.

Alessandro teaches musicology at the university of Strasbourg. He is also a volunteer reader in hospitals. He shares his apartment with his daughter, 15-year-old Irina, and his anarchist brother Luigi. Life is not always rosy at Alessandro's for three main reasons : he is a widower and has never really recovered from the death of his young wife ; his brother is some kind of parasite who refuses to sell his paintings to capitalist speculators and so to contribute to the cost of the household ; Irina, whom he has raised alone since she was five months old and always felt close to, is rapidly changing from little girl to teenager and wishes to be treated as such. One day, Florence, a beautiful young woman, gets into Alessandro's life. Will he eventually take his chances with her? And will he manage to stop stifling Irina? And will he finally get on with Luigi?

Two brothers reunite at their father’s funeral after many years apart. Between bitterness from the past and forgotten affection they will embark on a trip onboard their motorbikes which they built when they were children.