Shannon is loving the single life as Jenn preps for her wedding; Emily reveals a heartbreaking family issue; Tamra opens up about her past trauma in therapy; Heather deals with problems at her Beverly Hills mansion.

Katie extends an olive branch to the group; Tamra faces off with longtime foe Gretchen Rossi; Emily and Shane's parenting styles clash; Gina exposes a shocking allegation that leaves Shannon feeling completely betrayed.

Heather finds herself negotiating a birthday conundrum; Jenn and Katie support their kids as they move in and out; Shannon introduces her dating bench to Emily and Gina; Katie's apology attempt to Shannon is met with an explosive reaction.

Heather's birthday party wraps up just as Tamra arrives and her plus-one catches Gretchen and Slade off-guard.

The heat builds up at Gina's housewarming party when Jenn learns that Tamra has been showing unflattering photos of her from the past; the group visits New Orleans and embarks on a riverboat cruise.

As the New Orleans trip continues, the ladies keep the festivities going by attending a dog parade and making voodoo dolls; Jenn continues to question the intention behind sharing the unflattering picture; Shannon remains cautious.

The ladies wake up in New Orleans after Tamra's dramatic departure; Shannon finds herself in murky waters when she shows up late to a gator boat tour; Katie's explanation of contacting an influencer leaves her closest allies to question her stories.

Emily throws a Persian New Year party for the women, but has a surprise activity to uncover the truth behind the rumours swirling in the group; Heather's family's future is up in the air as she waits for offers on her Los Angeles mansion.

Following Emily's party, Katie believes she was set up and pleads her case to Jenn; Gina recounts the frightening moment surrounding Matt's heart attack; Emily shares that she and Shane are not seeing eye-to-eye when it comes to parenting Luke.

The ladies embark on dueling trips as Tamra invites Shannon, Jenn and Gina to Temecula in an effort to rebuild her friendship with Shannon; Heather takes the opportunity to host an adult sleepover in Beverly Hills with Emily and Gretchen.

After a dinner in Temecula, Tamra tries to turn the trip around for the ladies; Heather, Emily and Gretchen's wild night out in West Hollywood ends with Gretchen revealing gossip about Tamra; Tamra's efforts to win Shannon's favor are thwarted.

The women return from two tense trips with most feeling the planned bonding failed to take hold. Tamra joins Sophia on a music-school tour. Jenn realizes her upcoming wedding is having a greater emotional impact on her kids than she anticipated. Everyone reunites when Gretchen hosts a tactical training event. The ladies learn self-defense, but a shocking rumor about Tamra leads to an explosive confrontation.

Tamra decides to give herself some space from Gretchen; Emily and Shane are more in sync after receiving a diagnosis for Luke; Jenn expresses her concerns as Dawson preps to leave for the Marines.

Tamra meets with Katie in hopes of uncovering the truth; Shannon and Jenn's friendship continues to blossom when they engage their dogs with a pet psychic; Heather hosts an event for the Trevor Project.

Shannon hosts a bridal lunch for Jenn; Heather opens up about her relationship with her father; Gina and Travis celebrate their family being back together; Tamra and Eddie prep to be empty nesters; the ladies head to Amsterdam and cruise the canals.

As the Amsterdam trip continues, the ladies visit the famous tulip fields where Jenn and Shannon's friendship is called into question; Emily tries to broker peace between Tamra and Gretchen, which leads to an emotional and surprising realization.

The ladies partake in several local activities in Amsterdam; Emily receives a distressing call from Shane; Heather finds comfort in visiting her parents' former home before spreading her father's ashes; Gina struggles with a scandalous rumor.

The ladies sit down with Andy for a tense reunion. Katie discusses her early exit by addressing her unresolved issues with the group; Emily shares a shocking diagnosis about her son; Gretchen and Tamra hash out their longstanding feud.

The reunion continues as the ladies question Tamra's intentions regarding Jenn's old photo; Gina addresses comments about Heather's career; Jenn receives a phone call from Ryan with shocking information about Katie.

Tamra and Gretchen clash as the group discusses discrepancies surrounding the final dinner in Amsterdam; Emily and Tamra debate the authenticity of their friendship; the ladies react to seeing the footage from season finale for the first time.