Title help

If I remember correctly it was the FL fell in love at first site. they married but he had some he loved they married after she threatened him and then she got pregnant she thought the child would make the man love her but he still ignored her. she then confronts the mistress saying how the mistress stole a married man. Husband appears and slaps Fl the mistress then tells the husband she shouldnt slap his pregnant wife and blah blah on her way back home the FL got into a carriage accident and died.