A bomb dooms the first space satellite, manned by a selfless crew, a stowaway reporter (Lois Maxwell) and a mad scientist (Donald Wolfit).
A trio of young boys become involved in a criminal plot.
On New Years Eve, 1899, baronet's son Edward Courtney becomes engaged to Kate, his mother's maid, much to the scandal of London society. The film then follows their family through four generations, with separations, joys, tragedies, and service in the Boer War, WWI, and WWII.
When Celia Crowson is called up for war service, she hopes for a glamorous job in one of the services, but as a single girl, she is directed into a factory making aircraft parts. Here she meets other girls from all different walks of life and begins a relationship with a young airman.