La compagna di banco 1977 Simona Girardi, a beautiful eighteen year old high school student, moves to Trani, the picturesque seaport of Apulia, in southern Italy, to continue her studies in the local Mamiani Lyceum But, before long, dark haired Simona catches the eye of the notorious skirt chaser and handsome Casanova of class 3B, Mario DOlivo, who sets her sights on seducing her As Simonas classmates become jealous, trying to warn her that Mario will abandon her once he gets what he wants, she decides to ridicule him by teaching the arrogant lover boy a lesson he wont forget However, this is a dangerous game, and much to her surprise, Simona realises that Mario is not so bad after all Is this the beginning of an unexpected youthful romance