Diabolik narrowly escapes Inspector Ginko's latest trap, leaving his partner in crime Eva Kant behind. Furious, Eva offers Ginko her help in capturing him, but the former has to face first the return of an old flame of his, noblewoman Altea.

Four tales unfold in the Eternal City: While vacationing in Rome, architect John encounters a young man whose romantic woes remind him of a painful incident from his own youth; retired opera director Jerry discovers a mortician with an amazing voice, and he seizes the opportunity to rejuvenate his own flagging career; a young couple have separate romantic interludes; a spotlight shines on an ordinary man.

A white and a blue collar worker fall in love during the 1980 strike at FIAT that marked the end for labor movement in Italy.

A talent agent with a truly talentless client roster, Ercole Preziosi finds himself in trouble when a car crash injures his star comedian, so he turns to his young plucky driver to do stand-up duty.

Carolina Rambaldi isn't fulfilled by her three children: Marcello, a lazy do-nothing, Lucrezia, a bossy type who produces a TV show, and Cesare, homosexual and malicious, who's a sociologist. When she writes her will, Carolina leaves her property to the one child who's married and had a child in the past year and a half.

Misery money-lender Arpagone is looking to arrange three weddings simultaneously - to cut down on costs. One for himself and the others for his two children. Of course he doesn't approve of the choices his son and daughter have made and conspires to arrange more well to do spouses against their will. However, fate will prove itself to be on the side of true love, not of the greedy.

Via Montenapoleone in Milan is the ritziest street in the city and here the destinies of several characters, playboys, models and gays cross and diverge.

In this conventional, broadly comic farce of greed and royal matrimony, nearly bankrupt businessman Victor Harris is marrying Maria-Helena, a princess who comes with a dowry that is made up of one half of her island kingdom. Her father, the cowardly King Arnold III is counting on the money this marriage will bring him. The country is now almost bankrupt because of the king's gambling debts. As Harris and the king look forward to their illusory profits from the royal merger, other characters add some liveliness to the otherwise predictable story.

Amelia and Pippo are reunited after several decades to perform their old music-hall act, imitating Fred Astaire and Ginger Rogers, on a TV variety show.