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.

A hard-working mother inches towards disaster as she divorces her husband and starts a successful restaurant business to support her spoiled daughter.

Duke Fergus falls for Ann 'Flaxen' Tarry in the Barbary Coast in turn-of-the-century San Francisco. He loses money to crooked gambler Boss Tito Morell, goes home, learns to gamble, and returns. After he makes a fortune, he opens his own place with Flaxen as the entertainer; but the 1906 quake destroys his place.

Another of a wartime cycle of Hollywood films lauding the praises of America's Soviet allies, Three Russian Girls is a remake of Russia's The Girl From Stalingrad. Set just after the Nazi invasion of the Soviet Union in 1941, the film stars Anna Sten as Natasha, a Red Cross volunteer who is dispatched to a field hospital located in an old pre-revolution mansion. American test pilot John Hill (Kent Smith), who'd been in Russia on a goodwill mission, is wounded in battle and brought to the hospital. As he slowly recovers from his wounds, Hill falls in love with Natasha. A last-act crisis develops when the hospital personnel are forced to move immediately to Leningrad as the Nazis advance.

An American gets caught up in wartime action in Turkey.

Ambassador Joseph Davies is sent by FDR to Russia to learn about the Soviet system and returns to America as an advocate of Stalinism.

Famed reporter Stephen O'Malley travels to a small town to investigate the death of a national hero.

A radio correspondent tries to rescue a burlesque queen from her marriage to a Nazi official.

A woman - raised in the jungle - tries to help an American stop a native uprising spurned on by Nazis.

Christopher Reynolds, an American flying with the R.A.F, is shot down over German-occupied Holland and is given shelter by a Dutch family. Posing as the insane husband of the daughter of the house, Anita Wolverman, Reynolds convinces the German officer quartered there, Major Zellfritz, with the necessity for her divorce decree to be granted. After the court-hearing, Anita, goes to manage a home for retired ladies and, persuaded by Reynolds, tries to gain military information from the German Officer. When her former husband escapes from the insane-asylum his exploits are blamed on Reynolds. With the help of the old ladies and Anita, who "remarries" him, Reynolds escapes to England in a stolen German airplane.

Cultured Mario and outlaw Lucien, twins separated at birth, join forces to avenge their parents' death at the hands of evil Colonna. Because each feels all the same sensations experienced by the other, swordplay is difficult for them. Worse yet, raised very differently, they struggle to find common ground between their conflicting personalities. But to defeat their enemy, the two will have to overcome the obstacles and work as a team.

After his doctor informs him he will die in six months, Professor Henry Todhunter decides to spend his last days killing someone who contributes nothing but harm to society. When Henry learns that his friend Betty's husband, Michael, has been painting forgeries of ancient paintings for gallery owner Ketti Moret, he investigates the fraudulent dealer's life. Judging that Ketti is truly evil, Henry prepares to murder her.

A broke playboy signs on to help a young beauty save her ailing bus line.