Sand against the wind - Catriona McCuaig

This is the story of the Morgan family in Wales during World War II. 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?