Stefania and Lucia discover that Giulio and Ezio are chauvinistic and backward toward love between women and decide to take revenge. The prank spirals out of control. A trip to the beach before all their friends' high school exams brings Alice and Rudi closer, but Francesco's arrival throws everything into disarray.

With Pamela away, Cesare allows himself to be seduced by Carla, Blinda's mother, who tries to win him over. Pamela kicks him out of the house. Cesare then shows up at Carla's house with Giulio and Ezio with a plan that should put everything right. Eva's arrival makes coexistence at the Cesaroni house with Marco and Maya increasingly difficult, sparking a fight between the two lovers.