Handsome Italian laborer Kieron Moore works as caretaker of the Neopolitan villa inherited by plain-Jane Englishwomen Margaret Johnston and Dulcie Gray. Johnston is swept off her feet by the raffishly charming Moore, and before long they are wed.

Stefan Radetzky, a Polish pilot and famous concert pianist, is hospitalised in England from injuries sustained while in combat, and having lost his memory. As Radetzky plays the piano in a trance-like state, the story moves back in time to war-torn Warsaw. During an air-raid, Radetzky meets American journalist Carole, and there is a mutual attraction. Following the fall of Poland, Radetzky and Irish pilot, Mike, escape to Rumania and then on to America. Radetzky continues his musical career in America and meets up again with Carole.

Someone is stealing priceless paintings from the great museums of the world and replacing them with nearly flawless forgeries. Leonardo da Vinci's "Madonna and Child" is being shipped to London's Tate Gallery for a special exhibition, and Paul Mitchell is assigned to protect it. Upon the painting's arrival, Paul realizes it has been switched. Eager to collect the museum's $50,000 reward, he teams up with Mary Mason, a Tate employee, to recover the original.

British intelligence officers head off a Nazi plot to kidnap an atomic scientist.

The British inmates of a POW camp think they have an informer among them after several escape attempts fail. One of the prisoners constructs a dummy which they christen "Albert" and use at roll call in order to foil the German guards.

Vivian Kenway, a young Englishman from an aristocratic background, flunks out of Oxford, and decides to use his considerable charm to achieve his goal of, apparently, making dissipation his career. His derelictions include seduction, betrayals of sweethearts, family and friends, and Marriage for money. All this with no signs of remorse or redemption, since his life as a completely unprincipled rake is quite enjoyable...for him, at least. Then, World War II breaks out and he is given a chance to die a heroic death for flag and country. Maybe.

The time travellers arrive in Scotland just after the Battle of Culloden. The Second Doctor gains the trust of a small band of fleeing Jacobites by offering to tend to their wounded Laird, Colin McLaren. While Polly and the Laird's daughter, Kirsty, are away fetching water, he and the others are all captured by Redcoat troops commanded by Lieutenant Algernon Ffinch.