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.