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.
Pietro Zinni is asked by the police to revive the old gang to create a task force that will stop the spread of smart drugs.
Has been an year since Pietro Zinni's gang got caught in the Sopox production laboratory and each of them locked up in different jails. From Regina Coeli jail, Pietro keep warning the authorities a fool syntetized nerve gas and he is ready to make a killing, but no one takes him seriously.
