While Augusto, out of the hospital, starts a relationship with Gabriella, Eva returns from Milan with her friend Beatrice. Giulio, hoping that Marco will fall in love with her and forget his stepsister, convinces his son to organize a party. Marco, however, disappoints his father's expectations. Meanwhile, Lucia, due to the return of Professor Zuppante, has to leave school.

Giulio, Cesare and Ezio are about to leave for the traditional fishing trip when Sergio, seriously ill, shows up again. The three, suspicious of the sudden arrival of Lucia's ex, kidnap him and take him with them to Abruzzo. Upon returning to Rome, his illness revealed, the man says goodbye to his family and leaves for treatment in the United States, accompanied by Lucia, encouraged by Giulio.

After years of absence, Augusto Cesaroni, Giulio and Cesare's brother, leaves the United States and returns to Rome. Giulio, who has always believed Augusto to be a rich and powerful former race car driver, has to change his mind. The man, full of debts, has actually shown up only to claim his share of the liquor store. Meanwhile, Rudi blackmails Alice because of his stepsister's affair with a boy.

While Augusto, out of the hospital, starts a relationship with Gabriella, Eva returns from Milan with her friend Beatrice. Giulio, hoping that Marco will fall in love with her and forget his stepsister, convinces his son to organize a party. Marco, however, disappoints his father's expectations. Meanwhile, Lucia, due to the return of Professor Zuppante, has to leave school.

Giulio, Cesare and Ezio are about to leave for the traditional fishing trip when Sergio, seriously ill, shows up again. The three, suspicious of the sudden arrival of Lucia's ex, kidnap him and take him with them to Abruzzo. Upon returning to Rome, his illness revealed, the man says goodbye to his family and leaves for treatment in the United States, accompanied by Lucia, encouraged by Giulio.

Gabriella, upset by Augusto's abandonment, shows up at the Cesaroni house accompanied by a fortune teller, who instills in Ezio the doubt that Walter is not really his son. After undergoing a medical test, which shows he is sterile, the mechanic is convinced that the father of his son is Giulio. Luckily, Stefania manages to clarify the matter.

Alice hangs out with a bully named Riccardo who, in order to be accepted by Giulio, tries to appear serious and studious. When the innkeeper, with Rudi's help, discovers the boy's true nature, he reserves his most classic punishment for him: the broom. Meanwhile, Marco, while still being troubled by his feelings for Eva, lets himself be seduced by Rachele, the new teacher.

Rudi is growing up and seems to be morbidly attracted to girls. So Giulio, not without embarrassment, begins to address the topic of sex with his children. Rudi, however, wants to move from theory to practice and invites his friends home to play the "postman game". When the innkeeper catches Rudi kissing Alice, he goes back to his old ways. Meanwhile, Eva becomes jealous once she discovers the relationship.

After a strange phone call, Giulio becomes convinced that Lucia is being pursued by a man. After entrusting his children to the care of Ezio and Stefania, the innkeeper leaves for the United States with Cesare and Gabriella, but during the flight the Cesaroni brothers are mistaken for two attackers and repatriated. Upon his return to Italy, Giulio discovers that the mysterious John is none other than Lucia's gay roommate.

Rudi is growing up and seems to be morbidly attracted to girls. So Giulio, not without embarrassment, begins to address the topic of sex with his children. Rudi, however, wants to move from theory to practice and invites his friends home to play the "postman game". When the innkeeper catches Rudi kissing Alice, he goes back to his old ways. Meanwhile, Eva becomes jealous once she discovers the relationship.

After a strange phone call, Giulio becomes convinced that Lucia is being pursued by a man. After entrusting his children to the care of Ezio and Stefania, the innkeeper leaves for the United States with Cesare and Gabriella, but during the flight the Cesaroni brothers are mistaken for two attackers and repatriated. Upon his return to Italy, Giulio discovers that the mysterious John is none other than Lucia's gay roommate.

Giulio needs to spend more time with his children and, in agreement with Cesare, hires a maid, Daniela. The woman, however, falls in love with him and the innkeeper must try in every way to resist the young woman's assaults. Meanwhile, Alice, to impress a boy, joins the school soccer team coached by Cesare and Lucia returns from America.

Little Mimmo is in love with his classmate Sara, who plays the princess in the school play. The child, in order to be close to her, accepts the part of the maid of honor and asks Lucia for help in getting ready. Giulio, noticing the preparations for the play, misunderstands Mimmo's interest in the female universe and, believing him to be gay, tries to involve him and convert him to male activities.

Giulio needs to spend more time with his children and, in agreement with Cesare, hires a maid, Daniela. The woman, however, falls in love with him and the innkeeper must try in every way to resist the young woman's assaults. Meanwhile, Alice, to impress a boy, joins the school soccer team coached by Cesare and Lucia returns from America.

Little Mimmo is in love with his classmate Sara, who plays the princess in the school play. The child, in order to be close to her, accepts the part of the maid of honor and asks Lucia for help in getting ready. Giulio, noticing the preparations for the play, misunderstands Mimmo's interest in the female universe and, believing him to be gay, tries to involve him and convert him to male activities.

Giulio helps Rudi study for his class test, but the boy gets a bad grade for the umpteenth time. Meanwhile, the school newspaper edited by Alice reports a secret relationship between a student and a teacher, and Rachele, thinking that Marco is to blame, tries to get revenge. Rudi and Alice manage to make amends.

At school Rudi and Alice compete for the role of gang leader, while Lucia, depressed by her absence from teaching, devotes herself with obsessive attention to household chores, worrying Giulio. Marco, abandoned by Rachele, confesses to Eva that months before he had been in love with her.

Giulio helps Rudi study for his class test, but the boy gets a bad grade for the umpteenth time. Meanwhile, the school newspaper edited by Alice reports a secret relationship between a student and a teacher, and Rachele, thinking that Marco is to blame, tries to get revenge. Rudi and Alice manage to make amends.

At school Rudi and Alice compete for the role of gang leader, while Lucia, depressed by her absence from teaching, devotes herself with obsessive attention to household chores, worrying Giulio. Marco, abandoned by Rachele, confesses to Eva that months before he had been in love with her.

While Eva tries to win over Marco, who is distressed by the end of his relationship with Rachele, Giulio and Cesare find themselves in trouble with the tax authorities. With financial help from Gabriella, the two must accept the woman, Lucia and Stefania as assistants in the management of the wine shop. The business starts up again with flying colors, but the men are not happy with the female presence.

Lucia plans a group vacation at a campsite in Sardinia, but friends and relatives have other plans and one by one they back out, so Giulio and Lucia are forced to leave alone. Eva, convinced by Giulio to forget Marco, for the good of the family, follows Veronica to Croatia, while Marco and Walter leave for Greece.

While Eva tries to win over Marco, who is distressed by the end of his relationship with Rachele, Giulio and Cesare find themselves in trouble with the tax authorities. With financial help from Gabriella, the two must accept the woman, Lucia and Stefania as assistants in the management of the wine shop. The business starts up again with flying colors, but the men are not happy with the female presence.

Lucia plans a group vacation at a campsite in Sardinia, but friends and relatives have other plans and one by one they back out, so Giulio and Lucia are forced to leave alone. Eva, convinced by Giulio to forget Marco, for the good of the family, follows Veronica to Croatia, while Marco and Walter leave for Greece.

The end of the holidays seems to bring some news to the Cesaroni household: Lucia, suffering from strange ailments, fears she is pregnant and tries to talk to Giulio who, misunderstanding, believes that Stefania is expecting a child. Marco, meanwhile, has resumed his relationship with Rachele.

Cesare confesses to Giulio and Ezio the reason for his breakup with Pamela: he is a virgin and did not have the courage to reveal it to his fiancée. The two, to help Cesare, send him to a prostitute, but Pamela surprises him and misunderstands the situation.