Police Comissioner Datti is investigating the murder of a female doctor whose murderer seems to be a thirty-fivish year old man. Soon another murder follows: Pianist Robert Dominici's girlfriend is found killed. The killer also challenges Datti on the phone and says he can't be caught since he has a secret which makes him invulnerable. In the meantime the clues seems to point in strange directions...

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.

An outspoken boy and a gunfighter-pimp save a drifter's life from hanging. The boy's uncle dies, leaving a house and some dry, useless land to the boy. The dying uncle has obtained the drifter's promise to help the boy get what is his. Meanwhile the gunfighter has decided that the drifter should marry his daughter after being with her previously. The two get into a series of brawls and shoot-outs until they arrive in the town and find the boy's inheritance -which turns out not to be as useless as it first appears.

Jacopo, Duke, and Lenka wake up in the apartment Lenka shares with her roommate Elizabeth to find Elizabeth mysteriously murdered. None of the three has any memory of what happened and they spend a drug-fueled day finding clues and piecing the event together.

Expatriate Henry Miller indulges in a variety of sexual escapades while struggling to establish himself as a serious writer in Paris.

A vengeful criminal targets the inspector who put him away, but the inspector survives and fakes his death. Ignoring orders to flee, he sets out to bring the fugitive back to justice.

A woman catches her husband in bed with a much younger lady. Shocked and distraught, the woman leaves her husband. She decides to embark on a road trip of erotic self discovery. The woman meets a cartoonist during her sensual pilgrimage and gets involved in a torrid sexual affair with him.

Attenti a quei P2 (Beware of those P2s) is a satirical parody of the judicial affair concerning the P2 Masonic lodge.

Edwige Fenech stars in this Italian sex-comedy as the new teacher in an all-boys Catholic school. All of the boys desire the chance to "learn" more about their new teacher, but only one student gets the opportunity.

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.