A humble Milanese window-cleaner with dreams of magazine and TV fame accuses himself of the murder of a soprano from La Scala.

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.

After famous pirate Jeffrey Brook frees himself from captivity, he lands with on a Caribbean island. A lot of gold is said to be stored there. In order to get to the treasure, Brook accepts an offer from the British officer Jackson.