The before and after treatment reconditions an old barn on Long Island which, when the McConnells were forced to move to make way for a new school, they bought and financed for an enormous amount of repairs, remodeling and rehabilitation. Besides the general overhaul there was the question of plumbing, electricity, water and cesspool all of which were dependent on artisans they could afford and equipment within their means. Many types of workmen enter their lives, and just as often leave, while the family and assorted friends emulate the beaver to get their new home ready on their moving day. There are raids on second hand junk yards, doors, windows and stairs are bought and driven home; the thousand gallon fuel tank is transported to its new location; the well turns into a professional operation; and work progresses to the long awaited move -- a major operation in itself. A backbreaker of a job tackled by an undaunted crew, this is a refutation to Mr. Blandings and his home-building of several years ago and should have an appeal, other than its local one, for all those who have coped with similar projects even on a lesser scale. Cheery throughout.