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.
It is 1942 and the conflict between the U.S. and Germany is getting heated, U.S. Intelligence soon discovers that the Natzis are planning to capture Winston Churchill. In order to protect him they send commando Al Cooper to guard Churchill who is going by train to Casablanca where he will meet with Roosevelt and Stalin.
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...
The sexual relationship between a successful woman and her brother, an introvert, hypochondriacal youth, who is also a pornophile.
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.
Gianna Amicucci works in the house of the head of her hometown police force and enters the academy with a kickback from him. She is a beautiful woman (she generously sheds clothes during the film) and has to overcome her male colleagues prejudices, but she gains their respect through a series of brilliant operations.
Police detective Paolo Germi and the mysterious Marisa meet each other at a dance hall. Germi is unsuspecting of the secret Marisa is carrying with her: adverse conditions forced her into prostitution. As Germi finds the young girl brutally murdered, he decides to go after her killers. During his investigation, he enters a world of intrigue and obfuscation that leave an endless trail of blood.
A rich Sicilian, Fefè Mottola, decides to call a wealthy girl graduate: Giovanna, who is about to become a teacher, because his son needs repetitions. The boy, named Franco, is shocked by the physical beauty of the teacher, and so to restrain himself decides to pose as gay. But the deception does not last long, because the sexual impulses of Alfredo explode.
A number of unexplained military deaths hit Italy and are ruled to be accidental or suicides, but police inspector Giorgio Solmi suspects otherwise. When a mysterious wealthy electrician is seemingly murdered by a female escort, a sinister plot slowly begins to unravel.
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.