Thirteen-year-old Agostino is spending the summer at a Tuscan seaside resort with his beautiful widowed mother. When she takes up with a cocksure new companion, Agostino, feeling ignored and unloved, begins hanging around with a group of local young toughs. Though repelled by their squalor and brutality, and repeatedly humiliated for his weakness and ignorance when it comes to women and sex, the boy is increasingly, masochistically drawn to the gang...