At the Nato di Bagnoli headquarters, Tony, who lives with US Army officer Janet, works awkwardly and uncomfortably with modern equipment, which is also found at home. Strongly frustrated, Tony decides to return to the Naples neighborhood where he has always lived.

A man is arrested and condemned to five years in jail for robbery. After serving his term, he is out for revenge on the gang members he considers were to blame for his arrest. The prize for this deadly fight is a large cache of diamonds.

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.

Nick Hezard, a young con man, wants to avenge the death of a friend of his and organizes a swindle trying to cheat Robert Turner, an American businessman he thinks responsible for his friend's death. He succeeds in getting a hundred thousand swiss francs and uses them to carry out the second part of his plan.

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.

Paul, Joe and Louie are three young men from good families who decide to go on a bloodthirsty and pointless crime spree, much to the dismay of paul’s girlfriend (Eleonora Giorgi) and the local police commissioner (Tomas Milian). the group starts by robbing a gas station where paul guns down three innocent bystanders. When they later decide to rob a bank and a grocery store, paul ends up killing more people. It isn’t long before the entire police force is looking for the three criminals, who pick up the girl and hightail it to the Swiss border, killing everyone in their path.

A young Sicilian is swindled twice, but ends up rich; a man poses as a deaf-mute in a convent of curious nuns; a woman must hide her lover when her husband comes home early; a scoundrel fools a priest on his deathbed; three brothers take revenge on their sister's lover; a young girl sleeps on the roof to meet her boyfriend at night; a group of painters wait for inspiration; a crafty priest attempts to seduce his friend's wife; and two friends make a pact to find out what happens after death.