Special Forces Captain Aldo Paccione must pull together his former world team Delta Force and go deep within the mines of Sardinia when it is discovered that a vengeful band of mercenaries are developing deadly biochemical weapons.
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.
Bruno Marangoni, former center-forward of Rome, has fallen into disgrace due to a series of injuries, and now lives with gimmicks and small scams. At the height of despair he decides to commit suicide but is saved by the parish priest of a village, so he decides to move to the rectory
Pasquale Bellachioma, the unfortunate Police Commissioner, creates a "master stroke" that can finally put it to light before their superiors, but the results is continuous failure.
Now an agent of Interpol undercover, the former Inspector Giraldi (Tomas Milian, or Tomas Quintin Rodriguez, born in Havana in 1937), goes to New York to find his friend Salvatore Esposito (Enzo Cannavale), 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 (Margherita Fumero).
In a luxury hotel in Rome jewelry worth $8 million is put on display. At the orders of a fake waiter, the orchestras put all the guests to sleep and flee with the huge booty.