Sand against the wind

This is the story of the Morgan family in Wales during the Second World War. Colliery owner Harry Morgan has plenty to worry about. His daughter, Meredith Fletcher, is a war widow with a child to bring up, while her half sister, Mariah, experiences her own tragedy when her husband, a pilot in the RAF, is shot down and declared missing. When a young woman turns up claiming that she was married to Meredith's husband, Chad Fletcher, the household is thrown into turmoil. Then a local miner comes courting Mariah's mother, Ellen Richards, and Harry realizes that he is about to lose her. Can the family survive these misfortunes without breaking apart?