Miss Farnaby is in dread. Her two sisters, Adele and Elizabeth, who have bested her her whole life, are coming for a visit. No matter how much Mulberry tries to calm Miss Farnaby, she knows that something terrible is coming to visit. Her fears are born out when after the required pleasantries and forced small talk, she forces them to tell her why they have really come. They want her to sell the manor. (thetvdb.com)