The two-part reunion ends when Mark and Cary clear up the rumors about their marriage. Kameron and D'Andra talk about their biggest regrets during the season. Stephanie is concerned about her future with Brandi. LeeAnne reveals who will receive an invite to her wedding.
The housewives of Dallas reunite for a dramatic two-part reunion. D'Andra juggles accountability and loyalty while Stephanie comments on Two-Face. Kameron's bitter taste for profane humor resurfaces. Brandi and Cary fight over plastic surgery accusations. A mystery guest makes LeeAnne be anything but quiet.
It's LeeAnne and Rich's engagement party. D'Andra must face the consequences of failing to complete her new product on time. Cary and Stephanie try to make Brandi see the negative effect LeeAnne is having on her.
It's almost time for Kameron's Sparkle Dog Launch Party. D'Andra has a meeting at the cosmetics lab only to find out the main ingredient for her new snow algae skin care product won't make the launch deadline; and LeeAnne has a meeting with Brandi, urging her to make Stephanie choose Brandi and loose Cary. At the party, Mark confronts LeeAnne about saying he frequents the gay bars; and Cary confronts Brandi about telling everyone she was Mark's nanny.
Brandi and Stephanie obtain LeeAnne and D'Andra's room key and search for the "toy" that Kameron loves to hate; a yacht trip sails into stormy waters as the truth comes out about vicious rumors leveled by LeeAnne and Cary at each other's husbands.
In Mexico, the forecast calls for plenty of sun and tequila, until Brandi pushes Kameron overboard with a novelty toy; LeeAnne shares news about her relationship with Rich; Cary confronts LeeAnne about her dangerous threat.
LeeAnne gets a surprise at the Texas State Fair. D'Andra decides to call an "Honestea" at her house to coerce her beloved back-talking friends to get their issues out on the table and move on. A little too much honesty threatens to send the teacakes flying.
Kameron presents a business idea to her husband, while Cary and Stephanie embark on Brandi's family trip. LeeAnne is left behind and crushed to find she's not as close to Brandi as she thought. Unexpected news from D'Andra's stepson leaves her angry and confused. Brandi begins to feel she's taking a daring emotional chance, hoping Grandma will open the door after being estranged for so long.
Stephanie draws a line in the sand with Travis about the expensive renovations they need to make to their new home. LeeAnne shows potential as a role model for women, until Brandi overhears her gossiping about Stephanie. D'Andra demands to know when her mother will finally turn over the family business and is surprised when she hears the truth. Brandi invites Cary and Stephanie to Memphis right in front of Kameron, and it sparks a fight about etiquette and manners.
Brandi and Stephanie make an attempt to repair their broken friendship, but after so much damage, it may be too late. With no experience parenting, D'Andra tries her best not to be a bad stepmother when Jeremy's 20-year-old son moves in. LeeAnne's latest anger management session doesn't prevent her from showing up at Stephanie's Halloween party dressed to kill.
Stephanie tries to put a dent in Brandi's newfound friendship with LeeAnne; Travis drops millions on a house; D'Andra seeks to take over her mother's cosmetics business; Brandi and Stephanie meet again at the Howl-O-Ween dog costume contest.
Brandi and Stephanie reveal that a summer-long feud has ended their friendship. An old police report about LeeAnne's past comes to light. Everything comes to a head at Cary's birthday party for Mark, where Brandi and Stephanie come face to face.