On the dramatic conclusion of the Southern Charm reunion, Kathryn and Landon continue to argue over the details of Landon and Thomas' alleged relationship. Meanwhile, Jennifer Snowden admits a shocking new twist in her liaison with Thomas. Shep and Craig try to stay above the fray and in doing so expose their true allegiances. And, a surprise reconciliation between two former foes has Cameran speechless.

The cast of Southern Charm rehashes the tumultuous season in the first episode of the two-part reunion. #NewCraig is put in the hot seat, Cameran gets called out for being a mean girl and Shep recounts a surprise prison stint. And as Thomas and Kathryn's touchy relationship continues to be in the news thanks to new allegations, it's the simmering resentment between Landon and Kathryn that forces one cast member to walk off set.

In the aftermath of T-Rav's dinner party, Kathryn relishes the fact that Thomas finally had her back against Landon. Meanwhile, JD and Whitney stage an intervention to air their concerns over Thomas' erratic behavior. And just as things in Charleston seem to be simmering down, the gang gets together at the second annual Founder's Ball where all the tension comes to a boil.

After questions about Baby Julien's paternity arise, Thomas is determined to prove that Kathryn and the kids should not be overlooked. Meanwhile, Patricia takes Landon under her wing to show her how to make Shep swoon. And when Thomas hosts a dinner party to celebrate his new house and new family, a toast that's meant to bring the gang together, just might tear them apart forever.

With the arrival of their son St. Julien, Thomas and Kathryn begin taking 'baby' steps towards a possible reconciliation. Meanwhile, Shep is dealt a blow in his relationship with Bailey, but will a surprising declaration from Landon help mend his broken heart? Meanwhile, Craig reconnects with his former boss to get advice about returning to the world of law, and a talk between Cameran and her mom about having children leads to an unexpected conclusion. And when Patricia hosts an all male dinner honoring Thomas' newborn son, shocking revelations and fiery accusations give the proud father little reason to celebrate.

As Thomas and Kathryn get ready to welcome their son into the world, JD questions whether Thomas is actually the father. Meanwhile, Craig leaves his Gentry responsibilities behind and heads to LA for a boys' weekend and to make amends with Whitney. And as Shep enjoys the single life in LA, Landon reveals to Cameran that she's been harboring feelings for her bestie all along.

When Craig voices his theory about Whitney and Kathryn, he learns that not everyone shares his opinion. With the mountain trip ruined and the group dynamic strained, Craig embarks on a road to redemption to salvage his friendships with Cameran and Whitney before he becomes odd man out. Meanwhile, back in Charleston Kathryn breaks the news to Thomas that the baby is coming ahead of schedule, thwarting his plans for a guys' weekend in L.A.

Tired of the anti-Kathryn brigade, Craig digs deep into the past to get to the root of all the animosity. Meanwhile, Cameran reveals more than she bargained for in her first therapy session and Thomas wonders if Kathryn is sincere when she gives him the okay to go to North Carolina. And just as the gang settles into the serenity of the mountains, it all unravels as secrets are revealed and friendships tested.

After experiencing a string of rejections, Kathryn reaches out to an old friend in hopes of making amends. Meanwhile, Landon nervously heads to New York for the opportunity of a lifetime as Thomas grows increasingly fearful for the health of his unborn child and turns to Shep for help. When Craig takes a big step forward in his relationship with Naomie, he receives a crushing blow from JD at work that sets him two steps back.

While Craig continues to question the real reason why Kathryn is on the outs, Shep considers settling down with one lucky lady. Meanwhile, Kathryn comes to terms with her volatile past and attempts to make her way back into the group by reaching out to Cameran. Landon prepares for a "Shepic" birthday party, which leaves Shep wondering if Landon even knows him at all.

When Kathryn's pregnancy complications motivate Thomas to finally co-sign the lease on her new house, JD and Landon question the veracity of Kathryn's claims. Meanwhile, Cameran considers going to a therapist to help her understand her reluctance about motherhood. Craig stirs the pot when he questions Thomas' commitment to his baby mama, which, in turn, causes Thomas to unleash his wrath on Kathryn's BFF, Jennifer Snowden at Patricia's Flamingo party.

As Craig settles in to his new job working for JD, Cameran recruits Shep to be her real estate partner. Meanwhile, Landon hits her dad up for cash and Kathryn begs Thomas to co-sign the lease on her new house, but that deal comes with strings attached. So, when Kathryn and Kensie head out of town to watch Thomas play polo a family day turns into an epic showdown.

As Thomas slowly comes to the realization that he and Kathryn need to co-parent peacefully, Cameran decides to show off her burgeoning domestic skills by throwing a dinner party. Unfortunately, the guest list isn't as inclusive as some would like and tensions flare as Craig is put in the awkward position of coming to Kathryn's defense. Meanwhile, Shep continues to play the field and Landon starts to feel the economic pinch of her divorce.

Craig returns to Charleston determined to prove he's a changed man. Together with his new girlfriend, Craig throws himself a "welcome back" party at his new digs and invites the gang to get back together again. Unfortunately, the feeling isn't mutual as Shep and Craig's bromance is still on the rocks. Meanwhile, Thomas and Kathryn have officially called it quits, with baby #2 on the way their tumultuous romance continues to create a wedge between them and their circle of friends.