Navy Lt. Tom Farrell meets a young woman, Susan Atwell , and they share a passionate fling. Farrell then finds out that his superior, Defense Secretary David Brice, is also romantically involved with Atwell. When the young woman turns up dead, Farrell is put in charge of the murder investigation. He begins to uncover shocking clues about the case, but when details of his encounter with Susan surface, he becomes a suspect as well.

Physicist Ted Hall is recruited to join the Manhattan Project as a teenager and goes to Los Alamos with no idea what he'll be working on. When he learns the true nature of the weapon being designed, he fears the post-war risk of a nuclear holocaust and begins to pass significant information to the Soviet Union.

Vlassov is a Soviet spy who defects in France. He is whisked to the U.S, where Allan Davies takes over the case. After polygraph tests and cross-examinations, Vlassov names several Western European agents who are also spying for the Soviets. Davies wants to take the listed agents into custody; meanwhile, those on the list start dying under mysterious circumstances.

When a small British owned island in the Caribbean is invaded and the world's most dangerous terrorist kidnaps a member of the Royal family, the countdown to World War 3 begins. If anyone can prevent the oncoming apocalypse it's the American President, but her closest ally the British Prime Minister appears to have gone stark raving mad.

The film is based on the actual events of the Portland Spy Ring trial in the U.K. A disgruntled Navy Clerk is transferred to a secret research establishment and is subsequently black-mailed/paid by Czech intelligence to procure secrets for them. He seduces the secretary who controls the most secret documents, and they enjoy the fruits of their treachery until the British authorities begin to close in on them.

Story of a Russian intelligence officer Nikolai Kuznetsov (known as lieutenant Paul Wilhelm Zibert) who worked in the capital of occupied by fascist troops Ukraine. 960 days and nights were left until the end of the Second World War.

The documentary traces the whereabouts of the KGB agent Anatoli Golitsyn using few short audio recordings owned by the filmmaker's father.