In Naples, Professor Bellavista is a retired man, passionate about the philosophy and thought of Ancient Greece. Every day, in his luxurious apartment, he teaches his lessons of life to the poor-nothing (his friends), who are dazzled by his reasoning. One day, however, the quiet life of the building of Bellavista will be disturbed by the arrival of a director of Milan. Between Naples and Milan there contrast, because the Neapolitans are accustomed to enjoy a quiet life, always based on the "philosophy of pleasure and delay", while the northern Italians are very strict and punctual.
The housing shortage means that two spouses have to continue living under the same roof despite the ongoing legal separation. Incidents and misunderstandings to no end, but the couple's son will take care of fixing everything.
The Pope is disturbed by the fact that today's youth are not as spiritually inclined as they should be, and so he decides to set up a Vatican television station and entice them back into the religion of their ancestors. In order to particularly grab the wandering flock, a priest invites the comedians from "The Other Sunday," an actual comedy program on Italian television, to perform on this new channel.
On June 30, 1990, in Rome, Marie Christine is getting ready to take her son Pietro and Paolo to their father for the weekend. As the Football World Cup is taking place in Italy, Rome is flooded with supporters; the traffic is chaotic and French-born Marie Christine, who works as a translator, finds a bag that belongs to Miriam, who must leave the next day. Marie Christine decides to find her to return her passport, but one Giuliano Ferrini tries to prevent this. So Marie Christine finds herself navigating through a hot Roman night in a city she doesn't know, among people she never dreamed could inhabit the same city.