Overview: Chip and Jo take a tour with single mom Karla Griffis through the Castle Crest neighborhood of Waco, Texas. After a difficult divorce, Karla's ready to move on from the hardest time of her life to the happiest. Chip calls Castle Crest the Heartbeat of Waco, where every home has its own charm and unique story - an ideal place for new beginnings. Can Chip and Jo create the perfect home for Karla's new life while they go through their own transition? Watch the surprises unfold as Chip approaches a big birthday and Jo's present puts her in peril!