
Doug Heffernan puts in a long day's work delivering parcels and comes home each night to his loving wife, Carrie; unfortunately, he also comes home to his wacko father-in-law, Arthur.
Doug and Carrie decide to renew their wedding vows, then try to cancel the ceremony; Arthur debates keeping his wedding present for himself.
Doug decides not to ruin Deacon's weekend with a beautiful stewardess by telling him about his ex-wife's plans.
When the partners of Carrie's law firm notice Doug's softball skills, they ask him to pretend he is a lawyer and play on the company team; Arthur believes his great-grandfather was a slave owner.
Carrie's relationship with her gynecologist (Judge Reinhold) is in jeopardy when Doug's cousin charges the doctor more than he quoted for landscaping work.