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…
During a romantic dinner, Doug is inspired to proclaim his love to Carrie. Carrie is taken by his gesture and suggests that they renew their vows. The two find that planning the wedding is much more troublesome than expected. The ceremony is on again, off again as Doug and Carrie are faced with endless complications, including finding a chimp to serve as Doug's best man. In the midst of the wedding planning Arthur is praying that his wedding present, aged Port wine, will go unused when he discovers the value of the fine wine on E-bay.