Francesco is an entrepreneur in the building industry. His company is near to collapse if it doesn't win a deal to build a new school complex. It needs at least 60 million liras to participate to the deal, but all the banks refuse to lend the money. A corrupt bank employee introduces him to Claudio, apparently an assistant of Sergio, Francesco's old school friend. Sergio is an accountant available to lend Francesco the money he needs. Francesco wins the deal, but soon he discovers that Claudio is not what he says.

Plot of Fear tells the story of a decadent weekend party full of orgies and drugs on the outskirts of Milan. Inspector Lomenzo investigates a series of bizarre murders, each linked by the fact that pages from the German children’s book "Shock-Headed Peter" have been left at the scene of the crime. As the bodies pile up, Lomenzo is guided by a model and a surveillance expert to a decadent club frequented by the rich and powerful.

A high school girl is lured into prostitution by a fashion photographer.

An impotent husband is inspired by the bull that he inherited from his father and finds the lost virility.

A middle-aged artist (Ben Gazarra) sketching on the beach witnesses a young woman (Ornella Muti) being rescued from drowning. He loans her a blanket. Later she returns the blanket and they have sex several times, but she always leaves right afterward, leaving the man to wonder who she is and where she goes. Things become more complicated as he begins to fall in love with her, and after his regular girlfriend (Mimsy Farmer), with whom he has a curiously open relationship, returns. He eventually begins to realize his mysterious new lover may be very much insane.

An omnibus of two different stories: In the first a divorced couple (actress wife and director husband) refresh their old passions via their common flat. In the second a well-to-do dentist-wife is attacked by her petty bourgeois family when she writes a sex novel.

Two policemen of the Narcotics Brigade, Nicola and Roberto, end up in all kinds of crazy adventures while trying to do their job.