Lindsay decides it's time to take her relationship to the next level and make her ring size known Carl throws a Derby-themed party, complete with a housemates horse race Hannah finds herself in the hot seat.
Naomie juggles her clothing company and her family's restaurant empire as Kathryn opens up about her new boyfriend, Craig becomes the town gossip, spreading rumors about Kat's new man and Austen's girlfriend.
Cameran gives Eliza an earful about her behavior at Patricia's party Whitney is in the hot seat over rumors about his relationship status Chelsea hosts a house warming party Cameran spills the beans about Whitney and Kathryn's secret liaison.
As Charleston reels over Thomas' arrest, Kathryn deals with conflicting emotions Cameran struggles to balance motherhood and her career the friends gather at Patricia's dinner party, during which they are shocked by the revelation of a secret romp.
After five years of constant tension, Patricia finally extends an olive branch and invites Kathryn to her Winter Ball the truce between Craig and Naomie blows up when he brings a date to the ball.
Thomas continues to pressure Ashley to get a job in Charleston, S.C. Chelsea and Austen come to terms with the state of their friendship Thomas invites the gang to watch him play in his last polo match at Brookland Plantation.
After basking in the glory of his successful beer event, Austen is hit with romantic reality Craig faces some harsh truths Thomas and Ashley struggle to resolve their issues.
Austen prepares to debut his beer to his family and friends Craig makes progress on his pillows for Patricia Cameran tries to adjust to her new life with baby Palmer.
Kathryn takes the high road by inviting Thomas' new girlfriend, Ashley, to lunch as Cameran's due date approaches, her anxieties over becoming a mom subside Chelsea begins to fear motherhood may never be in her future.
Patricia surprises Cameran by planning a glamorous retro baby shower, where Craig and Naomie fall back into old habits and an unexpected guest turns the event on its head Thomas considers his future with Ashley.
Shep hosts his first adult dinner party, where Craig's anxieties over seeing Naomie mount and Austen remains hopeful that he can win Chelsea back Kathryn finally meets Ashley, the woman determined to be the next Mrs. Ravenel.
Cameran prepares for the birth of her baby Shep confesses to the downfall of his relationship following his quest to find love Kathryn celebrates her second year of sobriety Thomas has a new love interest.
Landon and Kathryn's Key West apology sends shock waves through the South Chelsea and Austen strive to define their relationship Craig and Naomie decide the fate of their relationship old tensions reemerge at JD's party.
The gang heads to Key West for Cam's birthday trip Austen questions Chelsea's commitment to their relationship Craig finds himself on thin ice with Naomie Kathryn reveals shocking new information about Thomas and Landon's relationship.
Thomas agrees to let Kathryn do a photo shoot with Kensie Craig and Naomie question whether they should continue to be a couple when Chelsea tells Austen about a late-night encounter with Shep friendships are pushed to the brink.
Thomas and Kathryn end their standoff to celebrate their son's birthday Cameran begins to rethink motherhood Craig proves he's finally all grown up when he gets the keys to his new house Shep decides he needs move out of downtown.
Craig helps Naomie throw a fundraiser, but the differences in their planning styles threatens to expose the cracks in their relationship Thomas decides to rekindle his friendship with Landon Shep and Chelsea share a romantic evening.
Cameran gets a sneak peek at motherhood Kathryn's trip to Malibu, Calif., proves to be more than just sunbathing and surfing Shep confronts Craig about the nature of his legal career Thomas realizes he needs a stepmother for his children.
From failing to adequately mourn the loss of their cat to stressing out over the move, things start to go wrong for Jeff and Gage, and tensions build to an unbearable pitch.
Jeff and his team settle into their new Hollywood office, but personnel issues follow them to their new space Jeff strives to keep his current clients happy even though Joe is off his game and Vanina has lost her focus.