Stephanie and Brandi hit the road for a family trip to visit Stephanie's parents in Coweta, Oklahoma. Back in Dallas, Cary takes another step toward building a friendship with Tiffany and extends an invite to join her for yoga. Later, Marie hosts a lavish cocktail party where an embarrassing revelation about LeeAnne comes to light. Tiffany's effort to broker peace between Brandi and LeeAnne backfires with disastrous results.