Steven and Elyse realize how lucky they are when their friends come over for a visit, but are unaware that it will be for the last time.Divorced ""Sunday father"" Richard Bailey and his son, Keith, come over to the Keaton's before taking off on a secret flight of their own. It seems Keith's mother is moving to California with her new husband and plans on taking her son with them. When a satisfactory visiting arrangement can't be reached, Richard decides it's time to make a move and it's up to Steven to put a stop to their travel plans.