Arthur and Dorothy are now seven and eight, and growing up fast. They will soon need separate bedrooms - so Angel comes up with an ingenious plan to create a mezzanine. As the re-slating of the roof continues, Dick and Angel not only launch into knocking down walls and building new ones but preserving old wallpaper, creating memory furnishings from the kids' old clothes, as well as finding time to pick some strawberries in the garden.