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.
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.
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.
