Any progress made during Revival Weekend in Savannah comes to a screeching halt after Mariah's meltdown on the bus. Dr. Jackie reaches her breaking point when she realizes that there are some problems she just can't fix. Contessa ponders Jackie's advice to pursue couples' counseling for herself and Scott. Mariah brings the receipts and the drug test results to prove Quad wrong, but do the rest of the ladies even want to know the truth?

While Heavenly tries to keep Alaura close to home, Simone goes apartment shopping with her boys. Toya takes the ladies on a trip to Sonoma, California, but when Quad shows up, the ladies unite together to finally hold her accountable.

Simone and Cecil ask for advice about their book from an old friend. Dr. Jackie gives a patient very important advice. Anila says her final goodbye to Ms. Gomez and wonders what is next for her. Contessa and Toya decide that enough is enough with Heavenly and stage an intervention on her shady ways. When things don’t go as planned, friendships are pushed to the limit.

Dr. Heavenly and Dr. Jackie interrogate Phaedra's motives for inviting Quad to Sweet Tea's party. Dr. Simone and Cecil disagree on how to push Miles when it comes to his education. Dr. G and Sweet Tea are ready to say their "I do's," but after some truths are revealed, will everyone be invited to their special day?

The women continue their Vegas trip with a decadent dinner full of vintage wines, juicy conversation and some eye candy for dessert. Back in Atlanta, the men go boxing and old tensions between Kiran and Eugene resurface. A final brunch in Sin City turns into a second intervention attempt with Heavenly.

Quad's rumor-filled holiday party ends when instead of decking the halls, Audra tries to deck Toya in the face; Contessa meets with a new kind of coach to prepare for her fitness competition.

Thinking she's having a fun girls' night out with Dr. Heavenly, Sweet Tea ends up spilling the tea about her relationship issues with Dr. G. Dr. Simone drops a truth bomb on her sons on a family night out. With the upcoming wedding, the fellas take Dr. G out for the bachelor party of a lifetime while the ladies give Sweet Tea an over-the-top bachelorette party that ends with an unexpected visitor.

The ladies receive a mysterious invitation from Phaedra. Will Dr. Simone come up with a plan to get the empty nest she's been dreaming of? Sweet Tea reveals an ongoing personal issue to Toya and Dr. Simone. A strange night in Phaedra's funeral home brings a familiar face back from the dead.

As the fun continues in Vegas, the ladies play a game where Toya reveals a secret she hopes doesn’t make it back to the ATL. Audra calls out Toya for questioning her skills as an attorney. The Vegas girls’ bonding trip is turned on its head yet again when the brewing dispute between Contessa and Heavenly rears its ugly head. Toya faces her greatest fears head on.

Heavenly admits to Damon that her mother's illness is affecting her, and offers a rare apology; Contessa feels for Heavenly, and agrees to put their differences aside.

Toya and Dr. Eugene give their sons a sex education talk they'll never forget. Dr. Jackie meets with her very pregnant patient, hip-hop legend DaBrat. Phaedra grows suspicious of Sweet Tea's motives for marrying Dr. G. Sweet Tea's wedding planning stress reaches a boiling point. Toya kicks off her new business with a wine tasting night for the ladies, but will they ever accept her as more than just a housewife?

Contessa reveals to Toya the reasons for her fractured friendship with Heavenly. Anila and Kiran receive some life-altering news. Heavenly opens a new business, partnering with the great beyond. Dr. Simone and Cecil start a new adventure together. Quad and Mason navigate their new life together. All the ladies come together for Heavenly’s grand opening for her new beauty supply store. Will everyone play nice or is someone’s weave about to be snatched?

As tensions in Toya and Eugene's marriage continue to grow, Heavenly confides to Jackie about the decline of her mother's health; Anila's parents arrive and immediately cause problems within the home.

After a heart-wrenching night rehashing the breakdown of their friendships with Quad, the ladies make a difficult decision about Quad's future in the group. Jackie gets support from the White House with her campaign against infant mortality. Toya takes her wine business one step further with an important meeting. Kema shocks the guys with his archaic family values.

Dr. Jackie and Dr. Heavenly bond over shopping at their friend Miss Phaedra Parks' store. Phaedra isn't Married to Medicine, but she's dating it. Dr. Simone and Toya catch up and speculate on where Quad has been, but there's a new sheriff in town - Lateasha, best known as Sweet Tea, Dr. G's new fiancée. Sweet Tea hosts a hoedown-themed engagement party for the couples, but will there be some shade goin' down at this party?

The ladies of medicine return, but there has been drama in the ATL since the reunion in New York. Heavenly and Quad mend fences, but will it be as easy with Simone? Tea faces her swimming fears while Phaedra and Dr. G discuss the social media bombshell dropped by Heavenly. Simone and Cecil throw a Freaknik inspired party where an uninvited guest crashes and an old friend makes a surprise appearance.

In the aftermath of Heavenly’s intervention, she grapples with changing her ways. Contessa must decide whether to let go of one of her closest friendships. Anila tries to juggle work and her kids. A stunt by Anila and Kiran at the Halloween party goes awry, putting the husbands at odds with each other for the first time.

The "Cowboy Carter" photoshoot continues, but tyrant Toya threatens the fun. Back in Atlanta, Cecil teaches the boys the way around the kitchen. Eugene makes cologne with his kids. Damon's kids bring him to tears. Back on the ranch, things finally erupt between Heavenly and Contessa as old grudges resurface and new accusations are made. The ladies are left wondering how they can continue.

After an explosive dinner, Contessa grapples with Heavenly's hurtful comments. Quad gets vulnerable with the group and finally mends things with Simone. Back home in Atlanta, Cecil brings Dr. G and Scott on a wild ride. Eugene tries to get Damon to see how Heavenly's hurtful tweets are going to make the group crash and burn. The next day the ladies wrap their heads and arms around how they will emotionally and physically recover from last night's fight. Jackie puts Phaedra on the hot seat about her lack of help with the Med Gala.

Toya reveals a secret from Mariah's past that infuriates her right in time for her husband's big birthday bash. Meanwhile tensions flair as Kari is setting up for the festivities and Mariah is nowhere to be found. When the queen bee herself show up two hours late the themed "Hollywood Glam" party turns into a "Hollywood Bash" that leaves guests in shock and a purse in the pool.

The ladies enjoy a day out on the ranch. Heavenly and Tea have a saloon showdown that threatens to derail the first night. Quad tries to get Contessa and Heavenly to reconnect. Jackie tries to get to the bottom of Heavenly and Contessa's failed friendship. Toya corrals the ladies for a "Cowboy Carter" photoshoot, but her diva behavior rubs the ladies the wrong way.

The Queen Bees of medicine are back with a vengeance. Friendships have been broken as Quad discovers long-time BFF Mariah has been talking behind her back. Meanwhile, Dr. Jackie shocks Dr. Simone with news that she wants a baby. Later, at Dr. Heavenly’s cocktail party, sparks fly as Toya accuses Dr. Simone of inappropriate behavior with Toya's husband.

Heavenly throws Zachary a going-away party at their lake house. The ladies question Phadera's ability to raise money for the Med Gala. Phaedera gets defensive and has some choice words for the ladies. At the Med Gala, Dr.Damon tries to make peace with Dr.Greg. Dr. Contessa and Tea face Dr. Heavenly. Dr. Jackie is on pins and needles as she hopes the gala will meet the 100k.

Quad throws herself a Paris-themed birthday party where she stuns the ladies by revealing a big secret. Simone continues to battle her issue with Quad, but a birthday invitation might be a step in the right direction. Dr. Jackie sees a celebrity patient. Dr.G and Sweet Tea wonder how Damon can take a back seat to Heavenly's bad behavior. Things get heated between the guys when Dr. G confronts Dr. Damon about Heavenly's behavior.

Quad gets a very special, and expensive, gift from her boyfriend, King. Toya has advice for Eugene's new business, whether he wants to hear it or not. Simone and Cecil deal with their boys. Heavenly teaches her son the ropes in her dental office. Pheadra deals with Apollo and his marital affairs. Tea, Contessa and Phaedra come up with a plan to fix the group. The ladies all head down to Florida for a "Cowboy Carter"-inspired ladies trip, but will it be the medicine they need?