Jackson and Helen are in love and about to have their first child when they move in with Jackson's mother, Martha, in order to take care of the family estate. But all is not well in this household. Martha is jealous of her son's affection for Helen, and, despite her Southern smile, she's starting to act strangely. As Helen tries to create a happy home life, Martha attempts to divide the family so that Jackson will become hers alone.

Billy Jackson is not having a good Christmas. He got a basketball for Christmas and just cannot make a jump shot. His Uncle David is coming to town to open a ValueMall, which will put his Dad's store out of business. When he tells his little sister Sarah that there is no Santa, she makes a wish that it would be Christmas every day. Billy now has to relive Christmas Day over and over again.