Ninetto De Terenzi is a Roman who lives for the day, helping a lawyer in his intrigues and acting as a stunt double for a cheating engineer; he disapproves of the relationship his widowed mother has with a married man and is engaged to a good worker, whom she tries to betray.

A gang of young and ruthless bikers terrorizes the streets of Rome for no other reason than kicks and to kill their copious amounts of spare time. They purposelessly gang-rape random girls, beat up pedestrians, deal hard drugs, organize illegal street races, menace witnesses, murder city employees and commit violent heists even though they don't need any money as they're all the offspring of rich & eminent citizens. The tough police inspector De Gregori rapidly becomes very frustrated because each time he arrests the arrogant gang leader Stefano, his daddy's attorneys arrange a release warrant the exact same day. But when the gang's aggressions gradually become viler and De Gregori's own wife becomes the target of an assault, he decides to enforce the law slightly more drastic.

Rome, October 16, 1943. The Germans deport the relatives and friends of the little Giacomo Treves who fortunately escapes capture. The child is entrusted by a priest, Don Luigi.

A young woman is tormented by nightmares of her miscarriage. She becomes unfaithful to her husband and meets various lovers. Eventually, reality begins to unfurl around her.

Sandro, a detective, finds his wife strangled. His girl-friend Tiffany, who works as photographer, makes a "Blow up" from a photo, what Sandro finds beside the victim. Sandro and Tiffany are looking for the woman on the photo, Laura. They finds her in a Night Club in Rome...