A dramatization of the events from the Last Supper through the arrest and trial of Jesus to the Crucifixion.

The film suggests Nijinsky was driven into madness by both his consuming ambition and self-enforced heterosexuality, the latter prompted by his romantic involvement with Romola de Pulszky, a society girl who joins impresario Sergei Diaghilev's Ballets Russes specifically to seduce Nijinsky. After a series of misunderstandings with Diaghilev, who is both his domineering mentor and possessive lover, Nijinsky succumbs to Romola's charms and marries her, after which his gradual decline from artistic moodiness to complete lunacy begins.

Now an agent of Interpol undercover, the former Inspector Giraldi, goes to New York to find his friend Salvatore Esposito, aspiring restaurateur in Little Italy, suffocated by debts with the usurers headed by Don Gerolamo. He will remove the gang and assure her of justice, but she will suffer the advances of the Boss's daughter, the ugly Maria Sole.

Undercover cop Nico Giraldi travels to New York and Las Vegas to find a crooked cop who gave his squadron back in Italy a bad name.