Just out of prison, ex-con Ugo Piazza meets his former employer, a psychopathic gangster Rocco who enjoys sick violence and torture. Both the gangsters and the police believe Ugo has hidden $300,000 that should have gone to an American drug syndicate boss. Caliber 9 is the first part in Di Leo's "Milieu" Trilogy of poliziotteschi films. It was followed by "The Italian Connection" (1972) and "The Boss" (1973).
Some youngsters rape and kill their teacher; but they won't tell their motivation. The police detective on the case feels some sinister influence behind the young murderers.
Plenty of fun erotic stories in the spirit of the "Decameron", united by one constant hero - unlucky cow Fiorina.
