Elizabeth plans a getaway trip to Lake Arrowhead for the ladies, but not everyone is able to make it because of health concerns. On her continued journey to sobriety, Brauwnyn struggles to find her new normal amongst the group and in her marriage. The women enjoy a day on the lake before having a controversial discussion on the Black Lives Matter movement and racial inequality in America.

Emily throws a pool party, and Tamra brings a surprise guest; Gina works through personal issues with her ex; Heather and Emily make peace; Shannon discovers that Heather may be discussing her relationship issues with John Janssen.

Heather throws a party to launch her HD Network, but tensions arise when Emily reveals an issue from the past; Jenn introduces Ryan to her mother; Tamra plans a trip to Mexico.

The trip continues as the ladies head to the Mexican jungle; Heather keeps herself in the hot seat after offending Emily; Shannon finally opens up to the group about her relationship with John; Vicki's surprise arrival turns sour.

The ladies enjoy their final days in Mexico and travel to Tulum; Jennifer questions all of her relationships and hopes that a shaman can bring her clarity; Heather feels alienated by the group and her frustration comes to a boiling point.

At Shannon's 70's-themed party, disco fever takes on a whole new meaning when Shannon gets into a heated argument with Kelly about her rumor-filled past. While Vicki juggles work, babysitting her grandsons and nursing Briana back to health, she still finds time to "whoop it up" with the ladies, at least the ones who are speaking to her. Heather confronts Terry about his lazy parenting after he schedules a work trip for Mother's Day. With Jimmy out-of-town again, Meghan looks for support from her friends during her IVF treatments. Tamra tries to help Kelly mend fences, but winds up stirring the pot instead.

Tamra, Vicki, Heather and Kelly travel to Glamis to celebrate Eddie's birthday. While the trip is supposed to be down and dirty fun, Tamra and Heather are still wary of Kelly's filthy mouth. After a long RV ride down, the ladies finally get some fresh air and see what the motor sports mecca has to offer. The next day, the ladies set out to explore the dunes, leading to a ride they will never forget. Meanwhile back in Orange County, lives are forever changed as Meghan receives the results from her pregnancy test and Shannon's holistic home has finally sold, leaving the Beador's two weeks to move out.

The ladies jet off to Ireland to explore Meghan's heritage and try their luck of the Irish. On a pub crawl, an over indulgence of spirits leads to a sobering exchange of words between Tamra and Kelly, ultimately pushing Tamra over the edge. With Kelly on the outs, the rest of the ladies try to salvage their first day in Ireland by enjoying a traditional Irish Hooley Night.

The reunion concludes with the ladies recounting their traumatic experience in Glamis. Old wounds are opened as Meghan finds herself on the defensive for her lack of sympathy towards Vicki after the accident. When the ugly drama of Ireland is discussed, emotions run high and Shannon is driven to her breaking point.

In Jamaica, Gina confronts Shannon at dinner about not being a good friend to Tamra during Eddie's health issues; Shannon feels betrayed when Tamra doesn't defend her; Shannon isolates herself from the group and misses bobsledding.

Kelly and Vicki continue to hash out their issues; the women chime in about Shannon's divorce; Emily opens up about the body shaming she received online; emotions run high as Tamra and Shannon tackle their fractured friendship.

Vicki gets a phone call that forever changes her life. Shannon offers an olive branch to Meghan when she hosts a Bunco party at her house. Meanwhile, Meghan moves into another house and Heather has an unorthodox date night with Terry that gets a little bloody.

When Shannon throws an Aries themed party, Brooks finally gets his chance to confront Meghan face-to-face for her relentless digging into his past. And an off-handed comment by Brooks throws Tamra into a rage.

While Vicki revels in the return of her family to Orange County, Heather strives to find a work/life balance on the eve of her book launch. Kelly struggles to figure out Shannon's motive for setting her up and bonds with Vicki over their shared anger. Tamra plans a last hurrah for Meghan before she gets pregnant, but the sushi party goes off the rails when Kelly loses her cool and crosses a line.

Kelly is shocked to learn how the allegation from last year’s reunion has affected her daughter Jolie. Emily hosts her in-laws to celebrate their birthdays without the help of her husband Shane. Brauwnyn and Sean spend Valentine’s day at their love shack, while her mom watches their seven kids. Tamra invites the ladies to her housewarming party and warns Kelly that Vicki will be there. At the party, Shannon and Tamra watch the infamous animoji Kelly sent Vicki. Braunwyn and Tamra hit it off, and sparks fly when Vicki arrives.

Kelly and Brauwnyn watch Emily rehearse her anniversary dance number; Shannon plans a group day trip so Gina can visit Rodeo Drive for the first time; Emily breaks down; Shannon and Emily argue over a comment made during an interview; Kelly explodes.

The day trip to Beverly Hills continues and Shannon surprises the group with tourist clothes and a double decker bus ride through Hollywood. Meanwhile, Tamra confronts Braunwyn, Emily leaves the trip early, and Braunwyn has dinner with her mom.

Kelly invests in a new business and goes to a Wellness Expo to practice her pitch. While Gina meets with a new lawyer about her DUI, Braunwyn and Kelly head to Las Vegas to support Emily at her dance performance. Then, the ladies travel to a wellness resort in Miraval, Arizona. At a sound bath, Kelly bonks Shannon over the head which leads to an unexpected trip to Urgent Care.

At Miraval, Kelly tries to defend herself about the “bonk” but her plan backfires. Emily and Gina’s strained friendship comes to a head. Tamra tries to mediate peace between Kelly and Shannon. Vicki arrives on the trip and quickly finds herself in hot water with Kelly. After an aerial yoga class, Tamra confronts Emily about not inviting her and Shannon to Las Vegas.

The ladies gather to celebrate Vicki's birthday with a royal tea party; Kelly refuses to attend; at the party, Gina and Braunwyn clash, while rumors about Kelly have the ladies up in arms.

Shannon’s got a new house, boyfriend, body, and revamped food line to celebrate and is ready to show it all off at her housewarming party. Emily is hopeful that she can finally make peace with Shannon. Kelly and Gina question Elizabeth’s romantic relationship. Meanwhile, Gina confronts Braunwyn and Shannon about the comments they made about her new home.

As Shannon’s housewarming party continues, Braunwyn attempts to reconcile with Gina. After Braunwyn heads home following the disagreement with Gina, the ladies bond over some tequila shots. Gina shocks Emily when she reveals Braunwyn invited her to a meeting as an olive branch. Elizabeth speaks to her anxiety and stress about her upcoming divorce trial. Meanwhile, Kelly can’t wait for Rick to be transferred from New York and move to California full-time, as their addiction for each other grows. After attending her first meeting, Braunwyn calls Shannon to apologize in hopes that she will attend her upcoming 20th anniversary vow renewal.

After her explosive meltdown at Shannon’s housewarming party, Braunwyn finds herself trying to make amends and move forward. Braunwyn opens up to Gina about her life-long struggle with alcohol, and their friendship takes a drastic turn. As Jacob experiments with drag, Sophie continues writing her book about dealing with her parents’ divorce leaving Shannon to worry about the effect it had on her daughters. Meanwhile, Elizabeth struggles to process her sister’s issues. Gina deals with the next steps in the case against her ex-husband and struggles balancing that with their co-parenting relationship.

With Coronavirus making its way to California, Shannon stocks up on supplies, and Kelly gets bad news. Braunwyn and Elizabeth bond over addiction and fleeting friendships. Braunwyn visits her mother, Dr. Deb, for the first time in months, ahead of her vow renewal and deals with an uncomfortable reunion. Emily and Gina begin to question discrepancies with Elizabeth’s stories. Later, Kelly confronts Shannon about her competing water line idea, which boils over while Braunwyn and Sean exchange vows with an ordained drag queen.

Shannon and Kelly discuss their competing businesses; Shannon hopes to repair her friendship with Braunwyn in light of Braunwyn’s vow renewal; Gina resolves to stay sober to support a friend; the women question Elizabeth’s relationship.