Stephen Neale is released into WWII England after two years in an asylum, but it doesn't seem so sane outside either. On his way back to London to rejoin civilization, he stumbles across a murderous spy ring and doesn't quite know to whom to turn.

In 1903, Doctor Huntington Bailey meets a friendly older lady during a train trip. She tells him that she is going to visit her brother Nick and his lovely young wife Allida. Once in New York, Bailey hears that his train companion suddenly died. Shortly afterward, he meets the strange couple and gets suspicious of Nick's treatment of his wife.

The head of the Human Aetiological Relations Machine pits an agent against a flesh-to-fungus spore gun.

In World War II Washington DC, scientist Pat Jamieson's assistant, Jamie Rowan, enters a loveless marriage with him. Struggles bring them closer together.

A security leak is found at a Southern California atomic plant. The authorities stand in fear that the information leaked would go to a hostile nation. To investigate the case more efficiently, Dan O'Hara, an FBI agent, and Philip Grayson, a Scotland Yard sleuth, join forces. Will they manage to stop the spy ring from achieving their aim?

When police officer Moe Finkelstein and his colleague Officer Salomon are ordered to serve as bodyguards to German consul Karl Baumer by the mayor of New York City, Finkelstein turns in his badge, convinced he has to quit the service because the man is a Nazi.

Vienna in the beginning of the twentieth century. Cavalry Lieutenant Fritz Lobheimer is about to end his affair with Baroness Eggerdorff when he meets the young Christine, the daughter of an opera violinist. Baron Eggerdorff however soon hears of his past misfortune...

Set just after the American civil war, businessman and inventor Victor Barbicane invents a new source of power called Power X. He plans to use it to power rockets, and to show its potential he plans to send a projectile to the moon. Joining him for the trip are his assistant Ben Sharpe, Barbicane's arch-rival Stuyvesant Nicholl, and Nicholl's daughter Virginia. Nicholl believes that Power X goes against the will of God and sabotages the projectile so that they cannot return to earth, setting up a suspenseful finale as they battle to repair the projectile.

Alvin York a hillbilly sharpshooter transforms himself from ruffian to religious pacifist. He is then called to serve his country and despite deep religious and moral objections to fighting becomes one of the most celebrated American heroes of WWI.

In 1915 France, Major Brand commands the 39th Squadron of the Royal Flying Corps. The young airmen go up in bullet-riddled "crates" and the casualty rate is appalling, but Brand can't make the "brass hats" at headquarters see reason. Insubordinate air ace Captain Courtney is another thorn in Brand's side...but finds the smile wiped from his face when he rises to command the squadron himself. Everyone keeps a stiff upper lip.