During the shooting of a First World War film entitled The Somme a tragic series of events unfolds for the cast and crew. The film was withdrawn from distribution shortly after it's release and is considered to be lost and may have been destroyed after the director died.
On the French Riviera, movie producer Max Poulton is on location shooting a film starring his lover, Gina Bertini. But when the rueful Max ends his fling with Gina to return to his loyal wife, Carol, the jilted actress threatens to reveal details of their affair to Carol. Later, at a party at Max's villa, investigator Carliss arrives with news that Gina has been killed and that Max is a murderer suspect.
A British Corporal in France finds himself responsible for the lives of his men when their officer is killed. He has to get them back to Britain somehow. Meanwhile, British civilians are being dragged into the war with Operation Dynamo, the scheme to get the French and British forces back from the Dunkirk beaches. Some come forward to help, others were less willing.
Following a group of five very different student nurses during their first year of training at an NHS hospital in London called St. Augustine’s Hospital (filmed at Guy's Hospital), where they live in a dormitory. Susan (Belinda Lee) is reliable and sensible; Pat (Delphi Lawrence) is flighty and open; Maureen (Adrienne Corri) is Irish and loud; Ann (Henryetta Edwards) is a typical public school girl; and Liz (Barbara Archer) comes from a typical working class background. As they get to know each other, they bond in spite of their differences.
The poor, elderly—and the wily, when it comes to parting those who can afford it from their money—Scottish skipper of a broken-down old 'puffer' boat tricks an American tycoon into paying him to transport his personal cargo. When the tycoon learns of the trick, he attempts to track down the boat and remove his possessions.
The unassuming, nebbishy inventor Sidney Stratton creates a miraculous fabric that will never be dirty or worn out. Clearly he can make a fortune selling clothes made of the material, but may cause a crisis in the process. After all, once someone buys one of his suits they won't ever have to fix them or buy another one, and the clothing industry will collapse overnight. Nevertheless, Sidney is determined to put his invention on the market, forcing the clothing factory bigwigs to resort to more desperate measures...