Antonio, a young man with a modest job in a small town, leads a monotonous existence until he is transferred to Barcelona to work in an architecture studio. From that moment, a new life opens before his eyes. He befriends Lorenzo, one of his classmates. Lorenzo is more experienced than Antonio and shows him a new, more sophisticated life in which Antonio feels out of place. Also, Antonio falls in love with Lorenzo's sister.

An electronic ray that can counter any aerial attacks has just been invented by Professor Goodwin, but before he can put in good hands, he is kidnapped by a criminal organization, that starts an international bid for him and his invention among the rogue countries of the world. The CIA sends Agent Sigma 3 to find the Professor before the transaction takes place. His mission takes him from Rome to Tangiers, and to Barcelona.

Millionaire Baretti pays a gang to rob an atomic bomb from an American silo, and then blackmails the American Government for a huge amount of money. German secret service (BND) agent 'Dynamite' will use his fists, guns and more to try to stop them.

At the request of the CIA, British secret agent Lester follows the ominous scientist George King, who, after successfully sabotaging an American rocket launch, has announced to the world's powerful that he can disable any nuclear weapon...

Secret Agent Francis Coplan, is given the task of finding priceless artwork stolen by the Nazis' in 1943. The trail leads to Mexico, where Coplan challenges a "secret" organization in order to re-gain the paintings.

Toto, a former Italian military servant who works as a servant at the British Intelligence Service, is promoted to secret agent with the name of Agent 00Ø8 to convince the ruler of Shamara, Sheikh Ali El Buzur, to yield oil to UK.