The current (and final) Roylott, seeing that there's nothing left of his inheritance, goes to India to make his fortune on his own. He does succeed in making some cash – but Roylott also manages to get into trouble. He flies into a rage when his house gets robbed and beats his Indian butler to death, for which he is sent to prison for a while. Eventually, though, he goes back to England.
Roylott was pretty busy while he was in India: not only does he set up his own medical practice and beat his butler to death, but he also finds the time to marry Miss Stoner's mother, a young widow at the time. Miss Stoner also has a twin sister, Julia.
Miss Stoner's mother was left with quite a lot of money – one thousand pounds per year (about U.S. $132,000 now) – which she left to Roylott upon her death eight years prior. But her will does allow for some of that money to go to Miss Stoner and to Julia if/when the girls get married.
With the money his wife has left him, Roylott takes Miss Stoner and Julia away from London and to his old family home in Stoke Moran. For their part, Miss Stoner and Julia are psyched to go: they think they'll be happy there.