Erin catches Brynn up on the newest tension between Sai and Jessel. During the group's picture-perfect boat day, Jessel clashes with Erin and Sai while Brynn and Jenna get closer than ever. Back at the villa, Ubah and Erin's pranks on each other result in a shocking shift in their friendship.

On the group's final day in Anguilla, a storm moves in over Erin and Ubah's friendship. The women venture out for a rum tour where Sai revives her bartending career. The ladies limbo with the locals, but Erin leaves early. Jessel's hit list is revealed. At the villa, Erin seeks resolution but is boiled in the hot tub instead.

The Hamptons trip continues as the women hit the tennis courts and cook a Shabbat dinner; Racquel opens up about her childhood; Brynn and Erin's prank leaves some a little uneasy; as tension builds, it threatens to derail the end of the trip.

Sonja has a confrontation with Harry and LuAnn. Aviva makes her return to the group, which causes insults and accusations to be thrown around between the ladies.

Tensions between Luann and Bethenny reach explosive levels; Ramona accuses Luann of breaking the "girl code;" Dorinda has an epic meltdown; Jules' first weekend away with the ladies takes a turn as she is confronted with a family emergency.

Reunion dramas include Sonja opining on how she was treated by the ladies during Season 8. Also, the women discuss the lighter side of their Miami excursion, and Luann is on the hot seat when the conversation turns to Tom.

The New York ladies reunite. Here, Dorinda recalls her toughest, most embarrassing moments with John; the women dish on Luann's ex and sharpen focus on Ramona's love life; and a look back at a Berkshires trip causes accusations to soar between Luann and Bethenny.

A reunion continues with the Big Apple ladies. Here, Bethenny gets emotional about her life situation, Dorinda addresses her inclination to meddle, and the group zeros in on the saga revolving around Tom.

The women confront Jenna for sneaking out in the middle of the night. Brynn arrives in the Hamptons. At lunch, the women grill Jessel over her incessant complaining and Brynn calls out a double standard. Over sushi, everyone bonds playing a scandalous game of Two Truths and a Lie.

Sai shares her content creation journey, and Jenna cleans out her multiple closets of fashion artifacts. Escalating tension between Erin and Jessel makes for a frosty café confrontation that Brynn and Sai hear about over a game of chess. Jessel hosts a charity event attended by the who's who of the fashion elite, except for Jenna Lyons.

Ubah takes Erin diamond shopping for her 10th anniversary party. Jessel navigates the exclusive New York City pre-school scene. At Erin and Abe's anniversary party, a bored Brynn stirs the pot and Sai gets upset about the lack of food.

Sai helps Jenna cast models for her false eyelash line. Brynn helps her ex-fiancé shop for luxury classic cars. After keeping her IVF journey a secret, Jessel finally reveals her infertility struggles to her mother. Brynn invites the women to holiday wreath making, where Erin confronts her about her antics.

Over the holidays, Jenna's brother visits New York and Brynn connects with her brother in Los Angeles. Sai and Ubah shop for the group's warm-weather getaway to Anguilla, but Jenna's choice to fly separate from the rest of the ladies results in an icy greeting on an island paradise.

Back in New York, Sai and Erin share a spicy double date with their husbands and Brynn plays wing woman to Jenna. Ubah hosts a post-Anguilla healing session for the group. Jessel finally has a staycation with her husband, but at lunch with Sai, she tests their friendship.

Couples' night, hosted by Erin and her husband, puts Jessel and her husband in the hot seat. Ubah shares a secret with Sai. Jenna takes her son shopping. Sai shares a heartwarming moment with her aunt.

Erin and Sai pick up the pieces after Brynn’s explosive party. Erin opens up about issues in her marriage and Jenna bonds with her son. While Ubah struggles to let her guard down, the ladies take off for their girls’ trip to the Hamptons.

The ladies arrive in the Hamptons where Sai and Brynn attempt to clear the air, but a miscommunication causes more conflict. Racquel and Rebecca open up about their pasts. Ubah and Brynn find themselves at odds.

A Virgin Island getaway turns nasty when an argument breaks out between Kelly and Bethenny, ruining a peaceful breakfast and precipitating a meltdown for Kelly. Later, Bethenny cooks up dinner, but it's hard to swallow when there are yet more blowups. Cut to the Big Apple, where Jill mulls over going to the Virgin Islands to see all the drama in person.

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.

An island getaway continues with a party at the ladies' villa, but only two guests make appearances. Later, the wives take in a yachting adventure; and Aviva heads to St. Barts despite her fear of flying.

The ladies land in St. Barts—sans Aviva, whose phobias keep her home. The wives delight in their high-level villa and take in a night that features tequila shots, a pirate-theme performance and flirtations with their sightly liaison.

Aviva's father returns and visits a health-food store with his daughter; Sonja negotiates a settlement with her former husband; and Heather preps for her fashion show and has a surprise request for Aviva.

Dramas in the Berkshires continue. In one corner: Bethenny. In the other: LuAnn. In the city, Jules adapts to life without a nanny, and the ladies gather for Ramona's holiday party, where pressures to apologize stir up tension.

The final morning in Miami finds Luann devastated after Bethenny spills news about Tom. Also: Luann checks into a hotel and sizes up her situation, and Bethenny hosts a Mexican-theme bash with a piñata packed with big-bucks jewelry. The Season 8 finale.

Part 1 of 2. Host Andy Cohen presides over a reunion installment, in which the privileged ladies of the Big Apple reconvene to remember the diva dramas of Season 2.