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.

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.

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.

A police inspector is called to Milan to investigate a murder case since he grew up in the same ghetto as the suspect.

Rome, Italy, early 1980s. A guy who worked at the Blue Gay, a transvestite cabaret, is found murdered, strangled. Marshal Nico Giraldi is responsible for investigating, infiltrating the Roman Gay community.

The study of a youth on the edge of adulthood and his aunt, ten years older. Fabrizio is passionate, idealistic, influenced by Cesare, a teacher and Marxist, engaged to the lovely but bourgeois Clelia, and stung by the drowning of his mercurial friend Agostino, a possible suicide. Gina is herself a bundle of nervous energy, alternately sweet, seductive, poetic, distracted, and unhinged. They begin a love affair after Agostino's funeral, then Gina confuses Fabrizio by sleeping with a stranger. Their visits to Cesare and then to Puck, one of Gina's older friends, a landowner losing his land, dramatize contrasting images of Italy's future. Their own futures are bleak.

Luciano Persichetti is hypersensitive and convinced that he has paranormal powers. Susanna, a parapsychology student with whom he is in love, tries to help him interpret the paranormal warning messages he is receiving. When Luciano turns out to be haunted by a mysterious killer who calls himself "The Guardian Angel", Susanna discovers that Luciano's paranormal powers are not real at all.

The officer Nico Giraldi investigates a homicide which has taken place in a Chinese restaurant in Rome. His wife and his son are kidnappeded by the murderer in the course of the inquiry. In the end the case is worked out.

A former American gangster organises a safari in Kenya in order to have his business partner, whom he suspects of being responsible for his brother's death, killed. However, it turns out that he killed the wrong person and a series of murders follow.