A top undercover cop finds and arrests a series of purse snatchers until he discovers an American at the top of an evil ring of thieves.
When mobsters try to put an honest policeman on the payroll, he seeks revenge on the mob. But, he soon learns that his actions, however honest, have dire consequences.
After his son is kidnapped, a millionaire industrialist seeks revenge, in spite of the potential danger that his rash actions will bring about for his child and another kidnapped boy, the son of a poor mechanic.
A black-out occurs during the meeting of a gang of criminals. When the light is back one of them is found killed with a stab on his back and all the clues point to a penniless man who had an argument with the victim a short time before the murder.
A gang of thieves are robbing luxury apartments in Rome, but after emptying the villa of the wealthy Mr. Douglas, the thieves are beginning to die.
Undercover cop Nico Giraldi travels to New York and Las Vegas to find a crooked cop who gave his squadron back in Italy a bad name.
Nico Palmieri is a police inspector who battles a criminal gang terrorizing a sleepy Italian town, extorting cash from the local merchants. With the threat of violence, no one dares to act, except for a restaurant owner who is forced by Palmieri to tell the truth.
Andrea, a nice girl, move from Veneto (north of Italy) to Roma. She is employed as a nurse in a medical practice. She soon is involved in a never-ending game of misunderstanding, couples exchange, sexual seductions.
A rude Roman policeman Nico Giraldi and an English detective team up in search of a gang that has carried out an enormous fraud against the Lloyd's of London.
Giorgia and her sister inherit a villa and decide to turn it into a pension. When the sister orders the advertising, the brochure, together with the name, Pension Paradise, leads people to believe it is a whore house.
Now an agent of Interpol undercover, the former Inspector Giraldi, goes to New York to find his friend Salvatore Esposito, 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.
Neapolitan Vincenzo LoRusso lives of expedients in Rome, as he tries to sell at an intersection a faux suede jacket, accidentally meets Laura, a beautiful woman who invites him to her house.
Drug use in the city of Rome is at an all-time high. Children score from dealers in front of their schools, mules waltz straight through airport security, and Interpol's main man, Mike Hamilton (David Hemmings), is at his wits' end. Fed up to the back teeth with the local police force's incompetence, his only hope is to rely on one of his own men, Fabio (Fabio Testi), an officer so deep undercover that no-one but Hamilton knows who he really is. Even as Fabio gains the trust of cartel leader Gianni (John Loffredo), however, the dealers are edging ever closer to the truth, and when his cover is blown, the hunter becomes the hunted as Fabio finds himself alone in a desperate fight to survive.
After graduating in correspondence detective, Riccardo Finzi arrives in Milan. The first case he deals with is the death of a young maid. Cockpit in a surreal yellow from a novel by Luciano Secchi.
Giorgio, Walter and Dario's dream is to own a boat. Meanwhile, they overcome boredom by inventing an endless series of jokes. Between the three and the rich boys in the area led by Fernando there is a strong rivalry that will become more acute with the arrival of the beautiful Karin, a young German with an ambiguous past.
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.
The old Emir of the Qudmar discovers he has a natural son in Italy. Secret agents and oil companies involve the man, an aspiring gas station, in the fight for the succession to the emirate.
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