A French National Treasury van is assaulted and they steal the gold bullion it was carrying. According to confidences received by the Police Headquarters of Barcelona, it seems that part of the gold is clandestinely introduced into Spain through the Pyrenees. In order to discover and eradicate such smuggling infiltration, an agent pretends to be a day laborer at a farm located on the border and in a suspicious area.

The picture is set during Battle of Greece and Crete Battle in 1941, after the fall of the mainland when the Germans entered Athens.

Working-class dude grows up surrounded with petty delinquency and ghetto temptations; he marries a rich girl and faces the disapproval of her parents. Then the young couple plans a crime...

Bruno Corazzari and his gang are in jail awaiting trial. They hire Fernando Sancho's gang to kill the only witness who then take all the passengers of a stagecoach hostage, in Richard Harrison's inn, because they are unsure which of them is actually the witness.

A young police officer fresh out of the academy, sees casually as a man is beaten and forcibly put into a car in the car park at Barajas airport. The rookie cop tracks them down and discovers a band dedicated to trafficking in women in Spain.

Barcelona police is following the actions of a pimp. A web of forced illegal abortions on prostitutes is discovered.

Two boys are sent to reform school under the guidance of Father Fernando, a young and dedicated priest.

Mr. Vila is a family father who has worked a lot during his life to achieve a good life for his family. His oldest daughter, Elvira, causes him many problems because she acts as a rebel.

After being fired from his company, Pablo meets his friend Ana, who introduce him to Pedro Ramírez, an undesirable lawyer, who offers him 15,000 pesetas for reports about his ex-company with the intention of doing a rob. When the lawyer's gang goes to give the coup, Ana reports them to the police, with the idea of taking the loot and fleeing with Pablo. But all of them are arrested and end up together in prison, where the intrigues and skirmishes between them will continue.