The Gay Sisters
S7:E13
1956
IMDb
Fiona, Evelyn and Susanna are sisters. Their mother dies on the Lusitania, their father is killed in France, they must manage their Fifth Avenue mansion by themselves. Fiona marries Charles Barclay in order to get an inheritance and he begins a campaign to obtain the mansion to level it for real estate development. She vows that this will never happen.