Andrea, a nice girl, move from Veneto (north of Italy) to Roma. She is employed as a nurse in a medical practice. She soon is involved in a never-ending game of misunderstanding, couples exchange, sexual seductions.
It's a night like any other for Captain Marco Giordani, or so he thinks until Silvia has a fight with her companion and ends up alone in the middle of the station square. Giordani offers to help her, and soon finds himself entangled in a murder case.
Political activist Salvatore returns to his native Sicily and stirs up trouble among the peasants, urging them to confront the Mafia and demand the right to plough their own fields. The peasants refuse to help him, and Salvatore is marked by the Mafia as a troublemaker.
Mara, Silvia and Irene, three sisters, are sent from Rome to Padua as guests of prof. Bordignon, their uncle. First, they let off steam with the young cousin Anselmo; then, realizing that their destiny is a boarding school, they take plot their revenge.
