Kyle and Mauricio speak face-to-face for the first time since he was photographed with another woman. While Boz and her boyfriend try to strengthen their relationship, Dorit and PK try to decide whether to salvage their marriage. The women are off to Saint Lucia where Boz has planned a girl’s trip. But with tension brewing between Sutton and Dorit, will it be trouble in paradise?

The women head to Hong Kong, where Lisa Vanderpump's effort to stop animal cruelty continues. Meanwhile, Erika confides in Kyle about visiting her mother in Georgia, and past conflicts explode aboard a historic junk boat, pitting Dorit against Lisa Rinna against Erika.

Tensions between Dorit and Erika continue to rock the boat in Hong Kong. Lisa Rinna and Eileen pick a side while Lisa Vanderpump and Kyle watch in shock. Will visiting the second largest Buddha in the world cure the madness or just serve as an intermission? That question is answered at an even more shocking dinner.

Drama continues to run high as Erika, Eileen and Lisa Rinna stand their ground against PK’s attempts to explain himself. The women share insights into their various careers and laugh at the over-the-top ways they greet each other. However, things take a turn when Eden and Kim Richards join the ladies. Simmering issues quickly come to a head and it all becomes too unbearable for one of the ladies.

In Amsterdam, Kim and Lisa Rinna continue to aggravate each other, culminating in an explosive dinner that causes Kyle to flee the scene; the women enjoy the local space cakes, but the fun sours when Brandi blows up at Kyle.

In Part 2 of the Reunion, Lisa and Kyle face-off, while Brandi shares more about her tough year.

The women continue to try to hash things out with Lisa, while the husbands join the fray, as Ken defends his wife.

Despite having disastrous parties in the past, Kyle cautiously hosts a game night for all the women, which leads to compromising positions and plenty of laughs. Lisa Rinna and Kim reunite and their feud is reignited, while Dorit and Eileen exchange angry words.

Eileen is thrilled when Erika nails her reading at The Young and the Restless. Lisa Rinna throws a barbecue, but Harry ends up doing most of the work. Kyle hopes Lisa Vanderpump will show up at her Great Gatsby party, but it's Eden who causes a scene there when she voices her true feelings about Kim.

Still in Hong Kong, Lisa Rinna defends her scandalous accusations about Dorit. The ladies’ hearts are warmed when they visit the SPCA to see the dogs that Lisa Vanderpump has helped rescue. Later, back in Beverly Hills, Erika shoots her scenes for The Young & the Restless before everybody heads to Villa Rosa for a spectacular Diamonds and Rosé party.

Lisa Rinna and Erika's unresolved issues with Dorit come to a head at Lisa Vanderpump's Diamonds and Rosé party, which is filled with fabulous food, glittering ponies and lots of tension. When Dorit’s efforts to defend herself fall on deaf ears, her husband PK joins the fray. Eden shocks the women by unleashing an epic tirade on Lisa Rinna.

Kyle's new clothing line brings the women of Beverly Hills together for New York Fashion Week, where Dorit quickly realizes Kyle's lack of experience in the fashion world could turn into a runway disaster. Erika takes Lisa Rinna, Teddi and Denise on a revealing trip down memory lane. Denise, who is trying her best to ignore legal issues with her notorious ex-husband, introduces the group to her longtime friend Garcelle Beauvais.

Kyle wraps shooting on her latest film and plans a welcome home party for all the ladies, including her newest friend Garcelle; Erika's singing lesson brings up a painful childhood memory; Teddi doesn't take kindly to Sutton's criticism.

Garcelle is honored for her work with a local charity, but her acceptance speech isn’t charitable to one guest. The ladies feel mom-shamed when Denise shows up to Kyle's kid-friendly barbecue without her kids. Lisa, Erika and Teddi are annoyed when Aaron mansplains to them – a situation Dorit knows firsthand is problematic for husbands in this group.

Lisa Vanderpump introduces the group to her friend Dorit, whose permanent houseguest is Boy George. Erika celebrates her 45th birthday in style with a 1970s-inspired Studio 54 party and receives more than one birthday surprise. Lisa Rinna and Eileen awkwardly come face to face with Lisa Vanderpump for the first time in months.

Hearts are racing after Crystal's medical emergency, but nurse anesthetist Annemarie comes to the rescue. Dorit opens up to Garcelle, allowing the two to finally move forward. Disappointed in her friends, Erika gets tipsy ahead of dinner but wows the group with her erudite observations at the table. While planning her healing ceremony, Sutton is overwhelmed by old emotions, forcing her to find comfort in an unlikely friend.

Dorit questions whether Erika’s wardrobe malfunction was intentional, while Lisa Rinna dominates the fashion world with a 24-hour garment selling marathon. Erika explores a future in acting with Eileen. And when Dorit employs a risky maneuver to confront Erika, the ladies worry they won’t be able to escape a challenge they’ve taken on together.

Kyle hosts a party at her store where Lisa Vanderpump's invitations to Hong Kong get out of hand. The ladies gather at Villa Rosa for lunch, where Dorit tries to chip away Erika's icy personality. After lunch, Erika flies back home to Georgia to see her mother and reconnect with her roots.

The climactic reunion begins with Erika addressing the claims that she has an icy demeanor, while new housewife Dorit defends her parenting skills. Meanwhile, wounds have not fully healed between Lisa Vanderpump, Lisa Rinna and Eileen; and tensions escalate when Dorit’s divisive husband PK joins the ladies on the couch.

As the reunion comes to a close, all the harsh feelings force the women to evaluate the bonds they have forged over the years. Lisa Vanderpump gets surprisingly emotional when discussing her son and her crusade to save dogs. Lisa Rinna and Kim Richards attempt to see eye-to-eye, while Kyle decides to dive into the fray.

While Kyle tries to attract buyers for her new fashion line in New York City, Erika gets big news that has her moving there; Dorit's move into a new house is marred by negative press about her finances.

After an awkward invitation, Lisa Rinna and Garcelle opt out of Teddi's fitness and wellness retreat, which is far from relaxing for the other ladies. Kyle and Erika question Dorit's all-about-me behavior. Denise is upset when her backyard dinner party takes an R-rated turn in front of her kids. The ladies are shocked when Kyle becomes inexplicably emotional.

The Rome getaway continues as the women process Brandi’s claims against Denise. While Kyle and Dorit attempt to work through their constant clashes, Garcelle, Denise, Erika and Lisa tour the city in luxury Ferraris. Dinner takes a wild turn when Denise throws out an accusation of her own, leading the women to question each other.

The women split into two groups to explore Amsterdam; Eileen confronts Lisa Rinna about her lack of support; all of the unresolved issues come to a head while the women are at dinner on a riverboat; Brandi playfully slaps Lisa Vanderpump.

Lisa Vanderpump and Kyle talk female rejuvenation with a plastic surgeon, while Lisa Rinna and Erika meet Eden, daughter of hairstyling icon Vidal Sassoon. Dorit hosts a dinner party where she and her husband PK question Lisa Rinna and Eileen’s grieving decisions. When confronted, Dorit remembers nothing, leading to flared tensions at a luncheon at Camille Grammer's new Malibu house.