The women join Dorinda in telling Luann what they've been hearing about Tom Bethenny urges Luann to get out now Ramona's weird behavior at dinner throws everyone off the conflict between Bethenny and Ramona reaches new heights.
Bethenny meets with broker Fredrik Eklund to discuss selling the Mercer apartment Ramona shows Carole a text about Luann's fiancé, Tom Dorinda invites the women to her home in the Berkshires, where they decide to stage an intervention for Luann.
Denise is a no-show at Dorit's housewarming party and fails to keep plans with Garcelle twice in one week the group hops on a private jet to celebrate Erika's Broadway debut Lisa and Denise try to salvage their 20-year friendship.
Kyle and Dorit surprise Teddi with a baby shower, and Brandi has a few surprises of her own Denise and Garcelle lament over how they think Lisa has changed Erika jets off to Broadway.
While a Vespa ride reminds Kyle and Dorit just how much fun they can have together, Denise calls out Lisa for betraying their friendship a tearful Lisa joins Denise, Garcelle and Sutton to find redemption at the Vatican.
Tensions between Margaret and Danielle reach a fever pitch as Danielle's wedding demands drive Margaret to destruction as Jennifer's family celebrates her brother's engagement, Jackie meets with Dolores to try to understand what makes Teresa tick.
Margaret hosts a brunch leading to a big blowup Teresa, Melissa, Joe Gorga, and Margaret head to Danielle's wedding, but tensions run high between Teresa and her brother Melissa worries their family drama could ruin Danielle's special day.
Dolores catches Frank in another lie Jackie considers reconciling with her sister Melissa plans little Joey's communion Margaret, Melissa and Teresa plan Danielle's bachelorette party, but Danielle's ways lead to an explosive confrontation.
Teresa and Joe Gorga spar over their father Melissa reveals to her sisters that there may be a fourth sister Jackie defends Melissa, igniting Teresa's famous temper and shocking the entire group with a surprising accusation.
As their Oklahoma trip continues, the ladies compete in a cattle show Margaret's husband takes care of an increasingly demanding Marge Sr. Jennifer insults Margaret's friend, Polly, causing Margaret to lose her cool.
Kenya returns home from vacation with big news Kandi shows no signs of defeat as business continues to boom at the OLG restaurant Porsha struggles with letting people back into her life Cynthia celebrates her 50th birthday one more time.
Shereé throws a housewarming party to unveil Chateau Shereé Kenya finds herself going toe-to-toe with a mega-blast from the past Phaedra lends a helping hand to Kandi's former disgruntled employee Porsha visits her father's resting place.
Kandi and Todd race to get the restaurant up and running Porsha celebrates Phaedra's birthday as the women gather at the restaurant, an unexpected guest shows up, leading to new revelations about Phaedra and Apollo's divorce.
Luann tells Dorinda about her wedding plans Bethenny and her realtor friend seek to sell the apartment Carole, who is invested in the upcoming presidential election, makes changes to her living situation Luann confronts Ramona about her meddling.
On the last morning in Miami, Bethenny reveals incriminating information about Tom, leaving Luann devastated Dorinda tells Ramona she received a threatening call from Tom Bethenny throws a Mexican-themed party with a piñata filled with jewelry.
While Luann continues to gloat about her engagement, Bethenny and Sonja do some undercover work, then make a confrontational telephone call on the final morning in Miami, Bethenny feels as though she has no choice but to share her scandalous secret.
The women celebrate Luann's engagement with mixed feelings and mixed cocktails Jules struggles with long-distance parenting tensions between Luann and Ramona boil over, while Sonja's feelings about Luann's engagement finally comes to light.
Garcelle finds herself in a tough spot during a business meeting Lisa questions Denise's motives Kyle throws a charity gala full of familiar faces from years past Camille's road to reconciliation is bumpier than she expected.
Denise and Aaron's hasty departure from Kyle's barbecue leaves the other ladies confused and unsettled Kyle helps Kim through a delicate medical procedure Garcelle moves into her new house Aaron comes face to face with Erika and Teddi.
With less than a year left in Joe's prison sentence, Teresa comes into her own and decides to enter a bodybuilding competition Margaret feels the effects of aging Dolores struggles to forgive Frank Melissa celebrates her birthday.