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.

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. As Denise faces emergency surgery, Lisa Rinna worries about Amelia adjusting to college life. Meanwhile, Teddi's confusing invitation causes conflict in the group.

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. Denise's husband inadvertently bewilders Kyle's guests, while Lisa Rinna's party game leads to hurt feelings, tears and a dramatic exit.

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.

Lisa and Teddi butt heads over Kyle's emotional meltdown. Garcelle celebrates a milestone in her sons' lives, while Lisa struggles to stay in the shadows as her daughters launch their clothing line. Dorit and Sutton get into a cat-and-mouse game over a misunderstanding, and Erika notices the cracks in Denise's laid-back facade when Denise is pushed to a new breaking point.

Erika is left seeing stars at her astrology party when old resentments flare up between Kyle, Teddi and Dorit. Denise's simmering frustration boils over in front of a speechless Lisa Rinna. After drinks with her besties, Garcelle questions a new friend's priorities.

What promises to be a relaxing trip to Santa Barbara instead opens old wounds for Dorit, Erika, Teddi and Kyle. After feeling judged as a mother, Lisa Rinna turns the tables on Denise, forcing her to examine her own history of risqué behavior. Meanwhile, Garcelle weighs the pros and cons of being a working mom as she prepares to leave town for a job.

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.

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, while Lisa and Erika have a distinctively Beverly Hills "procedure" of their own. Garcelle moves into her new house. Aaron awkwardly comes face to face with Erika and Teddi at Sutton's trunk show.

Garcelle finds herself in a tough spot during a business meeting. Lisa questions Denise's motives when Denise's behavior is filled with shades of grey. With Dorit's help, Kyle throws a black and white charity gala full of familiar faces from years past. Erika tries to avoid being "mansplained" to again, while Camille's road to reconciliation is bumpier than she expected.

Lisa invites Dorit and the others on a glamorous Roman getaway. Denise tries to make nice with Erika, but gets an ice-cold shoulder instead. Garcelle digs into Sutton's past, while Brandi drops a bomb on Kyle and Teddi which threatens to turn their dream vacation into a nightmare.

After rumors about Denise begin to swirl, Lisa attempts to save the group's Roman holiday from turning into a disaster. When Teddi questions Denise about talking behind their backs, the confrontation leads to shocking revelations and questionable denials. Garcelle's bluntness hits a nerve with Sutton. Meanwhile, Kyle raises her eyebrows at Dorit and Erika's fashion-forward travel wear.

The Rome getaway continues as the women process Brandi's claims against Denise.

While a Vespa ride reminds Kyle and Dorit just how much fun they can have together, Denise calls out Lisa for betraying their friendship.

Kyle and Dorit surprise Teddi with a baby shower, but Brandi reveals a few surprises of her own. Denise and Garcelle lament over how they think Lisa has changed - but Lisa has a very different take on things. Erika leaves LA and jets off to Broadway.

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, while Lisa and Denise try to salvage their 20-year friendship in a tense one-on-one.

The ladies come together for a virtual sit-down to rehash a season of incredible highs and shocking lows, as they confront their issues and tackle viewers' burning questions. Kyle and Garcelle waste no time airing their grievances, and their unresolved tension finally reaches its boiling point when Kyle drops a shocking accusation. Dorit and Sutton recount their awkward exchange at Lisa's daughters' clothing line launch event, but Dorit's apology falls on deaf ears as Sutton challenges the motivations behind her comment. Frustrations come to a head when Erika and Lisa...

Kyle takes a turn in the hot seat when she is left to answer for her attitude towards Dorit and Erika. When her daughters are brought up in conversation, Lisa bares all and addresses Garcelle's implication that she has a need for attention. Teddi reflects on the exhilarating joys and crippling fears of parenthood during a pandemic. A defiant Denise comes under fire for her connection to Brandi Glanville, but Garcelle and Dorit maintain their loyalty and quickly come to her defense.

The reunion concludes as Denise finally tells the women the truth about her friendship with Brandi. A defensive Garcelle is questioned for not supporting Erika's Broadway debut, while Erika and the others voice their crushing concerns about Denise's marriage. The women discuss what needs to happen amongst the group for them to be able to move forward as friends.

In never-before-seen footage, Teddi goes shopping for a new sports car, Kyle plans to build a new beach house in Mexico, and Camille's search for the perfect gift for Dorit takes her to the Museum of Sex in New York City.