A secret agent sets out to stop an evil scientist who is about to unleash on the world a virulent biological strain he has developed during experiments on rats.

Summer of 1967. La Goulette, a touristic beach of Tunisia, is the site where three seventeen-year-old girls live: Gigi, Sicilian and Catholic; Meriem, Tunisian and Muslim; Tina, French and Jewish. They would like to have their first sexual experience during that summer, challenging their families. Their fathers, Youssef, Jojo and Giuseppe, are old friends and their friendship will be in crisis because of the girls, while Hadj, an old rich Arab, would like to marry Meriem.