Based on the epistolary work by Ugo Foscolo.
A couple of wandering hippies meet a man by the name of Antonio who takes them to the home where he lives with his sister and brother-in-law. There they meet several strange characters: a gypsy woman, a prostitute and a disturbing drunk. The host tells them that he is a producer of wines and loves to entertain strange people. In fact he is a madman who has created a mechanism that can suck blood from human bodies.
A photographer on an archaeological expedition digging up Etruscan ruins in Italy begins to suspect that not all the Etruscans buried there are actually dead.
A rich, mentally-unstable man—with a penchant for playing deadly S&M games with women who resemble his dead wife—sparks off a chain of bizarre events after getting remarried.
Stefano Augenti, an ambitious advertising executive, meets a curious hippie named Count Mateo Tiepolo and they form a strange bond. Seeking an escape from his unhappy marriage, Augenti is lured by the Count into a bizarre plot to kill each other's relatives.
Rome, under Commodus: intrigue, fight for power, gladiators, senators, Christians, Barbarians, slaves, Pretorians, battles, wrestles, swords and muscles in by-the-numbers Italian epic.
After the war, Aldo and his men became gangster. But now the times are changing and Aldo decides to became a policeman to help better his men in crime. He meets Giovanna and falls for her. But he begins liking his new job and after their first robbery, Aldo tries to leave his old accomplices...