Angelo graduated in letters, but entered the special police corps and was sent to Volci, Sicily, where with the help of his colleague Sante Venuti and pretending to be a professor of letters he must protect Rosangela Romeo, his pupil, sister of a mobster detained at the Ucciardone who will hopefully repent. The town is in the hands of Don Puglisi, a fugitive, who leans on Raniero. But when the mafia is involved and there are many interests at stake, it is difficult for everything to go smoothly.
