Hannah invites her old buddy Jordan for the weekend and the housemates are surprised to learn that he has a romantic history with somebody in the house when Hannah gets news about Armand, it helps her make a decision about Luke.
The yearly Fourth of July bash is usually a high point for Kyle and his trusty mullet wig, but things are so rocky with Amanda that the only love he may get is from Carl Lindsay gives Hannah's friend Armand the third degree.
Jordan finally meets a woman he'd bring home to mother Kyle's L.A. buddies, Stassi, Beau, Katie, and Tom, pay a visit Stassi tries to help Lindsay see she deserves better from men Carl and Paige argue over who misled whom.
Carl's mother comes to the summer house and delights Paige Hannah takes the next step with British Dave Lindsay goes on a date with Peyman Jordan tells his housemates what he's been hiding Amanda and Kyle move on from the cheating scandal.
Lindsay confronts Kyle about the shocking rumor Kyle tells Amanda the real story Carl's mother comes to town to surprise him after Amanda ignores Kyle all week, he waits outside of her office desperate to confront her.
Thomas rises to the challenge of being a single father Shep continues to be Charleston's perennial bachelor and has a new wingman, Austen Cameran is convinced she knows the woman who can reel Shep in Landon is back with a new boyfriend.
Kathryn appreciates that Thomas finally had her back JD and Whitney stage an intervention to air their concerns over Thomas' erratic behavior the gang gets together at the second annual Founder's Ball, where simmering tensions come to a boil.
Thomas wants to prove that Kathryn and the children should not be overlooked Patricia takes Landon under her wing and shows her how to make Shep swoon Thomas hosts a dinner party during which a toast drives the gang apart.
After the birth of their son, Thomas and Kathryn take baby steps towards a reconciliation Landon makes a surprising declaration Thomas has few reasons to rejoice after shocking revelations and fiery accusations are made during a celebratory dinner.
As Thomas and Kathryn prepare to welcome their son into the world, JD questions whether Thomas is actually the father Craig heads to Los Angeles for a guys' weekend Landon reveals to Cameran the feelings she harbors for her best friend.
The trip puts a strain on group dynamics Craig attempts to salvage his friendships with Cameran and Whitney Kathryn breaks the news that the baby is coming ahead of schedule, thwarting Thomas' plans to go away to Los Angeles with the guys.
Craig throws himself a welcome back party and invites the gang to get back together again Thomas and Kathryn have officially called it quits, and their tumultuous relationship continues to create a wedge between them and their friends.
As Thomas adjusts to his new post-election life, Kathryn cannot seem to let go of the past Patricia organizes a charity event to benefit Wounded Warriors Shep and Craig agree to participate in a date auction relationships are pushed to the brink.
Thomas deals with the aftermath of the accusations as election day approaches Kathryn makes a far-reaching decision Whitney suspects Kathryn is behind the allegations the gang gathers at a restaurant to hear the election results.
Landon invites the gang to her hometown for a weekend getaway Kathryn upbraids Whitney after Craig and Kathryn spend a night on the beach alone, an explosive accusation threatens to upend Thomas' political aspirations.
After the Founders Ball, Craig encounters his boss and learns the consequences of his partying ways Kathryn resolves to become a different person when Shep and Whitney head to Delaware, secrets are revealed and friendships tested.
Patricia hosts an all-male dinner party to avoid drama, but Whitney and Thomas wind up fighting Craig invites Shep and Whitney to his parents' house the gang gets dressed in formal attire to attend a ball Kathryn ends up home alone.
As Shep plans his birthday party, Cameran decides it may be time to get a dog so she can put off having a baby Thomas and Kathryn move downtown as the campaign heats up the gang gets together to celebrate at Shep's birthday party.
After another fundraiser goes awry, Thomas realizes it's time for Kathryn to get a hobby Shep decides to stage an intervention for Craig Whitney vows to avoid Kathryn at the fashion show.
Thomas hosts a dinner to share his thoughts on his friends' lives.