After his disastrous Open Day, Phil disappears. While Edith searches for him, her difficult sister Joan invites herself to stay.
Roger helps Phil with his house sale by checking the roof for dry rot. Edith finds it difficult to cope with her annoying sister.
Phil is outraged by Wendy's book and Roger has new hopes of becoming a carer.
Edith and Phil finally set a date for their wedding, but romance is in the air for more than one couple.