Doug Heffernan, chauffeur-livreur, et son épouse Carrie, secrétaire dans un cabinet d'avocats, mènent une vie paisible dans le Queens (quartier de New York) jusqu'au jour où l'excentrique père de Carrie vient s'installer chez eux…
Arthur is moved upstairs to Carrie's office once the weather gets cold, but have problems when the weather warms up and Arthur thinks his move was permanent.
Doug and Carrie make new friends, and by a scheduling mix-up the new friends, and Deacon and Kelly end are invited to the same dinner party. And in the end, they have no friends.