Salvatore Arico

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.

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.