Milan, early 70s: The stories of some girls, finished or inserted in the prostitution ring, are flanked by those of their clients and some young criminals intent on exploiting them. There are six stories. In the first, a woman prostitutes her minor niece in exchange for a ride in the car. The second is the story of a young Sardinian, Rosina, who was introduced into the tour with the illusion of an honest and well-paid job. A virgin is kept such by the impeccable exploiters to raise the price. Laura, a young girl passionate about classical music, sells herself in protest against her rich family. Antonietta, a fourteen year old pregnant, is frowned upon by the exploiters. Two girls talk about their experiences and, between one client and another, they love each other, until the suicide of the younger. Finally, the woman of the beginning with her niece, are attacked at home by the exploiters, but they kill one with a stick then hide his body and leave Milan with the usual tactic of hitchhiking.