Rugantino is a 1973 Italian comedy film directed by Pasquale Festa Campanile.
It is based on the stage musical with the same name by Pietro Garinei and Sandro Giovannini.
In fact, he is denounced for trying to rob the elderly uncle of his inheritance, apparently believing that he's dying and Rugantino sentenced to public torture of a squire.
The young man is then accused of murdering a Roman nobleman and sentenced to death.
His fate is sealed, and after spending a few days in jail, Rugantino is beheaded.