Water Fielding is a successful lawyer and tax advisor. But all he has to do is squander all his earnings on his profligate daddy. So Walter lives with newly divorced violinist Anna Crowley in the home of her ex-husband, conductor Max Belssart. But Max returns and Walter and Anna have no choice but to find a new home.
Thanks to a "bargain" purchase brokered by their friend Jack, they buy a beautiful, spacious house at first sight. But here, all hell breaks loose. Whatever they touch explodes, collapses, at best doesn't work (this part is brimming with very successful gags). The originally intended minor alterations turn into major ones, until finally there is nothing left but to commission a major reconstruction.
Four months later, the gang of builders - thrown together out of familiarity - are at their best. Both heroes are getting on each other's nerves. Their initially tender relationship turns into an ordeal, and the situation becomes even more complicated when Anna seeks comfort from her ex-husband, who tries with all his might to bring her back...