Newly-promoted if none too happily married Howard Brubaker leaves a rowdy company party early with the stunning Catherine, whom it turns out is herself unhappily married — to the boss. They spend an innocent night in New York becoming more and more attracted to each other, so that when Catherine announces she intends to leave her husband and return to Paris Howard asks to go along too.
Well-off ad man Ned Merrill is visiting a friend when he notices the abundance of backyard pools that populate their upscale suburb. Ned suddenly decides that he'd like to travel the eight miles back to his own home by simply swimming across every pool in town. Soon, Ned's journey becomes harrowing; at each house, he is somehow confronted with a reminder of his romantic, domestic and economic failures.