
S01E01 Part 1
1855: When Doctor Thorne’s penniless niece, Mary, is excluded from the wedding preparations of her childhood playmate, she probes her uncle for the truth of her birth.
Sir Roger becomes seriously ill, and Dr Thorne believes that he will die soon. The railway entrepreneur's son pays him a visit, and to the docotr's horror, takes a liking to Mary. Miss Dunstable urges Frank to follow what his heart tells him.
The story of the penniless Mary Thorne, who grows up with her rich aunt/cousins at Greshamsbury Park estate.