Alfredo is a crude Roman motorcycle repairman who is a friend of Count Max, a gentleman and ex-pleasure lover. The latter invites Alfredo to his residence in Campo dei Fiori and teaches him etiquette, French and how to play poker. The laughter will begin when Alfredo meets and chases the beautiful model Isabell Bellissima in Paris.

A crazed scientist sends out his mutant creations to kidnap young, beautiful men and women to bring back to his lab so he can transplant their brains into the bodies of old, wealthy people.

Vittorio, an American novelist teaching in Rome, meets the beautiful but damaged Bianca and they rapidly fall into an urgent, tempestuous affair. He's hesitant over their relationship since she seems to thrive on conflict and is constantly baiting him into physical altercation. Bianca gives Vittorio an exquisite leather belt as a gift; he knows immediately that she wants him to whip her with it. Driven by his craving for her, Vittorio complies to Bianca's desire. Their relationship escalates into a dark realm of S&M which becomes more and more self-destructive.

Theorizing that one could time travel within his own lifetime, Dr. Sam Beckett stepped into the Quantum Leap accelerator and vanished... He woke to find himself trapped in the past, facing mirror images that were not his own and driven by an unknown force to change history for the better. His only guide on this journey is Al, an observer from his own time, who appears in the form of a hologram that only Sam can see and hear. And so Dr. Beckett finds himself leaping from life to life, striving to put right what once went wrong and hoping each time that his next leap will be the leap home.