Devlins immigrate to South Africa. Bartholomew marries Lutheran missionery's daughter Gretchen who dies giving birth to Franz. Bartholomew remarries heiress Helene who discovers Franz' kinship. Father and son work on a railroad. Holidaying in Cape Town Franz marries Wynn and son Jamie is born in Scotland. He is confused with another child at birth. Aged 21 Jamie is proven scientifically a Duchess' son. At Shanks Manor Wynn Devlin finds a record of a treasure ship on African coastline that the family locate and claim. Gerard Devlin the other of the mistaken children, an artist in Paris nearly loses left eye in the Great War, and Jamie part of a leg. Both in identification crisis marry, wives dying young.Their children Harry Farraday and Ellen Devlin marry during World War 2. A high ranking pilot officer, Harry falls ill but recovers. Their daughter Sidony leaves for Sanks and is romantically involved with semi-paralised member of her father's squadron Boris Jordan.