Salvatore and Romolo are two young and poor young men that are neighbours and friends. They live with their parents in Piazza Navona, Rome. They are poor but handsome, and both fall in love with Giovanna.

A criminal organization commits to the highly skilled thief Paul Lefèvre the theft of a revolutionary invention.

Benvenuto Cellini knows no obstacles when it comes to creating a work of art or conquering the heart of a woman.

Hercules decides to avenge the death of his wife, murdered at the hands of Éurito, king of Ecalia, but everything is a plot of an ambitious courtier. Hercules ends up falling in love with Deyanira, who is now a good queen.