Overview: A friend of Daniela's, Sandra Varano, mysteriously disappears: Daniela had seen her arguing with Giorgio Massenzi, her boyfriend, who is immediately questioned by Marshal Rocca. Even Daniela, however, seems to be hiding something. It then turns out that the girl had turned to a nurse for an illegal abortion and had run away from home to escape her father and the father of the child. Brigadier Cacciapuoti, despite being on leave, can't help but help his marshal.