Kyle and Garcelle attempt to get to the bottom of the alleged “dark comments” Sutton made a year ago, but Crystal refuses to divulge what was said. Lisa suffers a devastating loss. Diana sweetens the trip to Mexico by chartering a private jet, but the getaway may not be enough to ease Dorit’s ongoing anxiety. Erika and Lisa’s comments push Sutton to a breaking point.

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.

The ladies hit the slopes in Aspen, where Dorit proves to be shaky on her skis. Sutton goes snowmobiling but is really revved up about Diana. Garcelle broaches a very touchy subject with Erika at dinner. Back at the house, Rinna wants everyone to chill out, but things get heated when Kyle and Crystal confront Erika about her perceived lack of empathy.

Erika throws a pop-up product launch where Diana receives a legendary phone call, but the hairiest situation remains the fallout from Aspen. While Dorit and Crystal question old friendships, Erika and Sutton build a new connection over fancy bubbles and casual biscuits. Kathy faces Kyle to apologize and move forward, but Lisa’s arrival threatens the bonds between friends and sisters alike.

Garcelle celebrates her success with a big party and makes an even bigger purchase with some encouragement from Sutton and Crystal. Lisa’s refusal to accept Kathy’s apology leaves Kyle holding the bag for her sister. As the ladies are draped in diamonds at Kyle’s charity gala, stories swirl in the tabloids and Dorit wonders if there is a leak in their circle. Erika and Lisa continue to call out Kathy, leaving Kyle to question if any of her friends can truly be trusted.

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.

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.

Denise and Aaron begin their life together by nesting at home; Dorit deals with the repercussions of the dog fiasco; a monster argument breaks out between Kyle and Lisa Vanderpump culminating in Lisa and Ken demanding that Kyle leave their house.

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.

As Sutton's garden party finds itself in the weeds after Lisa's outburst, Erika seeks forgiveness from Garcelle for her past indiscretions. Meanwhile, Crystal gets involved in Sutton's love life and Kyle is left reeling by an accusation she does not agree with. Dorit finds comfort in Hanukkah traditions, but a frigid lunch has Diana feeling anything but the holiday spirit.

Kyle plans the perfect Aspen day, but tempers run hot after Erika gives her the cold shoulder. While Diana and Garcelle pick sides, Dorit finds herself caught in the middle. Crystal and Sutton go hat shopping, where flames get fanned when Lisa snubs Kathy. After tears and turmoil, the group tries to rally for a fun final night, but one woman’s after-hours behavior ruins the night for everyone.

When Kathy skips the flight home from Aspen, whispers surface about a meltdown directed at Kyle that took place the night before. Back in Beverly Hills, Erika tells Dorit she’s hurt that Garcelle talked behind her back and vows to say it to her face. Sutton and the others don flapper dresses for Crystal’s swank Roaring 20s birthday party. However, when Kathy arrives as if nothing is amiss, Lisa heads for the exit, and Erika decides to share what she heard.

A surprise visit from a special guest kicks off the chicest Beverly Hills reunion yet. Dorit revisits trauma from her home invasion. Kyle, Lisa and Erika challenge Crystal’s contradictory statements about Sutton’s dark comments. Garcelle admits to bad deeds. Tempers boil over when Kyle comes to Diana’s defense.

As the reunion continues, Garcelle and Diana hit a point of no return in their already-frayed friendship; Sutton reflects on her ongoing tension with Lisa; Garcelle discovers the trashy truth behind Erika's book review.

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.