Worried about a $1.5 million dollar lawsuit left behind by her husband, Taylor invites a psychic to "cleanse" her house. The lawsuit is ultimately settled, though not in the way Taylor would like. The drama also continues in Brandi's life, as Lisa asks her to meet with Scheana, the waitress who admitted to having an affair with Brandi's ex-husband. After the confrontation, things get worse for Scheana as she picks up shifts at Lisa's restaurant, SUR, and tries to fit in with the other servers.
Kyle visits Yolanda's gorgeous estate and shares that her issues with Kim have not been resolved. Kim admits the same thing to her life coach, who advises she talk to Kyle. While at a group dinner at a Moroccan restaurant, Brandi reveals that Adrienne and Paul are threatening to sue her. The debate about Brandi's intentions erupts into a full-fledged fight, with Ken and Mauricio at odds, and Brandi telling Mauricio to "f--- off."
Adrienne and Paul visit Kyle and Mauricio to discuss Brandi's actions; Yolanda crosses paths with her ex-husband Mohamed as she decorates a mansion for him, and Kim has a psychic point out the ghosts inhabiting her house. At an art gallery opening (where Kim and Kyle's niece Paris Hilton is a guest), Brandi invites the ladies to Las Vegas.
When Kyle's daughter Sophia graduates from sixth grade, Adrienne and Paul make an appearance, still keeping their distance from the rest of the group. Kim is not in attendance, and Kyle won't learn until later that her sister is planning to have a nose job. Brandi and the ladies head for Vegas where Brandi is practicing to host events that empower women -- through pole dancing. But before the women hit the pole, they have a surprisingly eye-opening dinner and learn things they never knew about each other.
In Las Vegas, Brandi entices the women to try pole dancing, with varied success. Upon learning Kim is about to go under the knife for her nose job, the women wonder if going under anesthesia and taking pain killers is wise for a woman just out of rehab. The final dinner in Vegas starts pleasantly, but devolves into a feud in which new issues are raised, and old wounds are opened.
Kyle pays a visit to Lisa's to discuss the mutual hurt in their relationship. More unresolved issues are addressed when Lisa throws a tea party in her beautiful olive grove, and it's the first time Adrienne and Brandi have faced each other since their big blow-up. It's civil at first, but denials and accusations fly when a tipsy Taylor asks whether or not Adrienne is suing Brandi.
Kim reveals her new post-surgery nose with a party in her backyard. When Taylor calls to say she won't be attending, Kim and Kyle are shocked that Taylor doesn't know where her daughter is. Later, Adrienne gets angry with Paul because he won't evacuate their home during a neighbor's fire, but they make up in time for Kyle's white party where they are a united front when everyone confronts them about their threatened lawsuit against Brandi.
Kim and Kyle confront Taylor about using alcohol as a crutch. Taylor then turns down a group trip to Paris in order to spend time with her daughter. The rest of the ladies, jet off to the City of Lights for fun and fireworks. They're worried, however, when Kim is late then acts increasingly strange. Lisa and Ken take a side trip to San Tropez, where they reunite with Ken's grown son and his much-older wife, who was once a friend of Lisa's.
The women explore Paris, but when Kim is late for a cooking class, they fear something terrible has happened. Kim is irritated by Lisa's possibly faux concern and encourages Kyle to confront Lisa about their troubled friendship - which she does, on top of the Eiffel Tower.
The ladies' trip to Paris wraps up with a boat ride down the Seine River, and an unlikely bond forming between Kim and Brandi. Back in Beverly Hills, Lisa begins planning her housewarming party/vow renewal with flamboyant party planner Kevin Lee, and Kyle scurries to prepare for her boutique opening. Kyle and Kim discuss Kim's erratic behavior in Paris, and Kyle wonders if she'll ever be able to trust Kim's sobriety.
Adrienne throws an eye-popping party to launch her new vodka line, but her relationship with Paul worsens. News of their separation reaches the shocked women as they head toward Lisa's housewarming party/vow renewal. Drama develops quickly, as Brandi confronts Marisa about talking behind her back.
While Lisa prepares to renew her vows after thirty years of marriage, her housewarming party plummets downhill. Faye picks a fight with Lisa, and when all the ladies get involved, Lisa realizes Kyle will never have her back. When a tearful Adrienne shows up, on the very day her separation has been announced, some of the women stand behind her, while some are not as sympathetic.
Kyle and Lisa finish their discussion regarding their friendship, which leads to little resolution. Adrienne and Paul's shocking divorce allegations are thrown into the conversation. Mauricio shares his stance in the Brandi/Adrienne conflict. After three seasons of the show, and also being sisters their whole lives, Kim and Kyle discuss Kim's first year of sobriety as well as their difficulty trusting each other.
The beautiful, wealthy ladies of Beverly Hills and the sexy, dramatic servers of SUR are back for a special two-hour crossover event. To celebrate the centennial of Beverly Hills and meet other local business owners, Kyle throws a cocktail party at her home for the city's Chamber of Commerce. She hires Lisa's posh restaurant, SUR, to cater the event but in typical fashion, one of her servers begins talking back and Lisa has to send her home before the guests begin to arrive. At the party, Kyle tries to put aside her differences with Yolanda after last year's explosive...
Brandi, Kim, Kyle and Mauricio show up to support Lisa and her sexy dance partner Gleb on Dancing with the Stars. Meanwhile, Yolanda faces a surgical procedure in her efforts to battle Lyme disease. Kyle hosts a lunch for new friends, Joyce and Carlton, but the meal goes awry when Kyle encourages the killing of a bee, offending nature-loving Carlton. Brandi's mother visits from Sacramento and helps her settle into her new home. Kim and Kyle watch Lisa's next dance performance, questioning the sincerity of Lisa's infamous faint.
Carlton hosts the ladies for a luncheon in her gorgeous, Gothic mansion, which sports "Victorian balls," a spooky doll collection and black cats. When Lisa shows up to the lunch a little late, teasing from her friends about her suspect faint proves too much for her after recently being eliminated on Dancing with the Stars. Kyle upsets Carlton by asking too many questions about witchcraft, but Kyle finds herself on the defense when Brandi prompts the ladies to talk about the tabloid accusations about Mauricio cheating.
Hoping for an afternoon of fun and frivolity, Kim invites the ladies to a funky and colorful circus school in Hollywood, but tensions simmer as Brandi believes Kyle has labeled her a bully to the tabloids. Later, at poolside cocktails Brandi and Kyle have it out, but Lisa suddenly finds herself in the drama when an accusation by Joyce leaves her and the other ladies totally baffled.
Yolanda's mother and brother visit from Holland, just in time to see Yolanda's husband, David Foster, get his star on the Hollywood Walk of Fame with famed musicians Stevie Wonder, Natalie Cole and Babyface in attendance. Carlton takes her ailing cat Midnight to get acupuncture. Kim, Kyle and sister, Kathy, attend the high school graduation of Kim's daughter, Kimberly. Brandi reveals a secret about Carlton that leaves Lisa speechless.
The ladies travel to Palm Springs for a girls' bonding trip and Kyle is surprised when Carlton confronts her about a list of issues. As the group relaxes by the pool, Brandi reveals that she and Carlton made out, much to Carlton's chagrin. When questioned about her pentagram tattoo, Carlton finally reveals she is a practicing Wiccan, eliciting eye rolls from some of the women. Brandi riles up Joyce by repeatedly calling her Jaclyn, amongst other things and the group dinner goes downhill quickly when a tipsy Brandi picks a fight with Kyle.
Adrienne's family is forced to make some very serious decisions that could potentially move their NBA team to a rival city. She heads to Sacramento for what could be the team's last home game ever and invites Kim along for the ride. However, Kim seems to be a little off, and the issue that has been on everyone's mind since last year is finally addressed when Adrienne questions her sobriety.
Kim sends problem dog Kingsley off to doggy boarding school. Yolanda hosts a night of fine dining and music - provided by the Canadian Tenors - at her gorgeous Malibu home. However, she inadvertently divides the group in two by dubbing herself, Brandi and Lisa "The Dream Team." Tipsy Brandi continues to insult Joyce, and once in the privacy of their limo ride home, Joyce and husband Michael voice their anger and contempt for Brandi.
It's a happy time for some of the housewives, as Yolanda celebrates her anniversary with David, Kim takes an exuberant ride in a racecar, and Carlton shops for racy lingerie with...her mother-in-law?! Brandi and Joyce avoid each other at a fitting for Kyle's upcoming fashion show, but they come face to face when Lisa invites them to a group dinner at Sur. Neither Brandi nor Joyce hold their feelings back and the night devolves into name-calling and the lobbing of "f-bombs."