Tamra Judge is back, but her return to the group proves rocky when she accuses Shannon of ghosting her; Emily adjusts to being a full-time mom; Heather wants to know where her friendship stands with Gina; the ladies meet Jennifer Pedranti.

Gina and Emily bond with Jenn and learn about the reality of her complicated relationship; Heather prepares for her twins to leave for college; Shannon and Tamra meet to hash out their issues; Tamra throws her composure overboard.

Tamra regrets her behavior toward Shannon, and Jenn urges her to apologize and invite Shannon to the closing party; with her twins' college departure looming, Heather contemplates the next chapter of her life.

Tamra takes the women to a ranch in Montana; tensions arise when Heather learns that her career is being dissected; Gina makes a point to connect with Jenn; Emily helps her daughter Annabelle with her aspiring modeling career.

While the ladies take on ranch-hand tasks, Gina warns Heather about Tamra, whose comment about Heather's career puts Taylor in the hot seat; Gina and Jenn hash out feelings about infidelity; Shannon and Tamra give their friendship another shot.

The adventure continues in Montana when the ladies partake in fly-fishing and white-water rafting; Heather helps Gina deal with pent-up emotion, but later feels betrayed and contemplates their friendship moving forward.

Gina questions her friendship with Heather; Emily reconnects with her estranged mom; Heather throws a dinner party at Nobu, but the fancy ambiance quickly turns tense when Emily and Gina confront Heather about her behavior.

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.

Jenn and Tamra put their issues to rest and plan a triple date; Eddie confronts Ryan about all the rumors; Shannon strategizes how to handle discussions of her romantic relationship; Emily and Shane work through parenting issues.

Jenn and Tamra co-host a party where the ladies dress as each other; Heather informs Gina that Shannon is talking about Gina's relationship; Vicki brings a keg to the party; Shannon confronts Heather about revealing too much about her relationship.