Vanderpump Rules, Lost Cause

Scheana throws a lavish birthday party to show off her new boyfriend, but things get tense when she leaves Katie and Stassi off the guest list.

Stassi reconnects with her ex-boyfriend Patrick and ex-boss Lisa Vanderpump, while James attempts to reclaim his DJ job at SUR. Brittany flees LA and her relationship with Jax.

Brittany's girlfriends put aside their differences and throw a Kentucky-themed party to help cure her heartache, but the group learns Jax's indiscretion may not have been a one-time thing.

When Lala learns Katie has been talking about her relationship again, she drops a bombshell that could break Katie's heart. Later, Stassi struggles as SUR's new event planner.

Jax convinces Brittany to host a housewarming party in an attempt to prove their relationship is mended, but the evening devolves into madness when a devastating audio recording surfaces.

Ariana's role in releasing Jax's scandalous audio recording leads to a fight with Sandoval that threatens their relationship, while Scheana and Katie strike a truce to stay out of each other's relationships.

Stassi assists in dressing the staff for SUR's annual Gay Pride celebration, while James erupts on Lala after she insults his girlfriend.

Lala finds her inner feminist and schemes to repair Scheana and Katie's friendship, Lisa rewards Peter for years of loyal service, and a salacious rumor makes the rounds at SUR.

Stassi helps organize a party to honor Lisa Vanderpump's new role at Beverly Hills Lifestyle magazine, but struggles to convince her bitter ex-coworkers to lend a hand.

Birthday twins and perpetual rivals Stassi and Ariana plan extravagant parties on the same night, but while Ariana shines as the belle of the ball, an embarrassed Stassi runs off in tears.

On the heels of her birthday meltdown, Stassi consults a tarot card reader about her future with Patrick, while Scheana invites a select group of friends to visit Rob's cabin in Big Bear.

Raquel questions whether James still harbors romantic feelings for Lala, Ariana gets upset when Sandoval doesn't invite her on a business trip, and Rob reveals that he doesn't tell Scheana he loves her.

Lisa takes Sandoval & Schwartz on a business trip to Las Vegas to design their new bar, but when the guys focus more on partying than professionalism, Lisa questions the whole partnership.

Seeking revenge on Jax for telling people Rob doesn't love her, Scheana sets Brittany up with SUR's hottest new model and bartender. Later, James has an emotional reunion with his Dad.

Brittany tries to get her relationship back on track by taking the group to Mexico for Jax's birthday, but Jax blindsides Brittany with the news he's considering moving to Florida for a job.

The Mexico adventure continues as the group explores a natural water park, Playa del Carmen nightlife, and a little local spot called “SUR.”

The party continues as Schwartz horrifies Katie with a drunken blackout, Stassi realizes her relationship is in trouble, and the rumor mill works overtime when exes Kristen and James share a night on the beach.

After returning to LA, Kristen must tell her boyfriend about the night she spent with James. Tensions finally come to a head at SUR, where Jax has an epic meltdown in front of staff, customers, and Lisa herself.

Kristen's boyfriend, Carter, questions Sandoval about her night in Mexico with James. Katie and Tom celebrate their first wedding anniversary, while Jax and Brittany's relationship takes a surprising turn.

After a painful breakup, Brittany bounces back with new swagger, a new outlook, and her sights set on a new man. Ariana blows up at Sandoval for choosing to support Jax over spending time with her.

Sandoval and Schwartz give their friends a sneak peek at TomTom, but a cloud hangs over the party as Lisa must decide Jax's future at SUR and later, Brittany unleashes three months of pent up anger and frustration at Jax.

Things start off with a bang as Andy uncovers the real stories behind Jax cheating on Brittany, the rumor that James slept with his best friend, and the status of Stassi's relationship with Patrick.

In Part Two, Andy recaps Katie and Schwartz's first year of marriage, the group questions Jax's relationship with his reiki healer, and Lala reveals more about her boyfriend than ever before.

As the reunion concludes, Andy explores Jax's meltdown at SUR, Lala and James examine the flirting and fighting in their relationship, and Katie and Schwartz discuss the prospect of having children.

Lisa learns about Lala's financial arrangement with her boyfriend; Jax celebrates his birthday; and Schwartz and Sandoval secretly meet up with Scheana's ex-husband.