Hannah's Turks and Caicos 30th birthday bash turned birthday brawl continues. Back in Savannah, Catherine's parents push her to finally commit to Lyle. Meanwhile, Hagood finds the support she needs from her boyfriend, Alex. After Hannah questions Louis' infidelity, Louis confronts Catherine's intentions and her spreading rumors.
Hannah takes everyone to Turks and Caicos for her dirty 30s birthday celebration. But when Louis pulls an all-nighter to make the flight from his trade show in Florida, he ditches Hannah's birthday dinner and gets the night off to a rough start. As tensions grow between Catherine and Lyle, Brandon confronts Lyle about his behavior, leading everyone to point fingers and take sides.
As Hagood busts out her brushes to set Catherine's portrait in motion, Louis ponies up big money for his sock biz to roll with the big brands at the PGA Trade Show. Upset with Catherine's dishonest façade, Hannah pushes Catherine to admit there's someone else in her life.
The Savannahians are up to their old tricks; Daniel's mood hits a new low as he questions his life's purpose; Hannah's friends give her a dash of cold reality after Hannah and Louis spend a romantic weekend dashing through the snow; and although the gang tries to start the new year off with a bang with paintball, the deadliest shots are fired when tensions between Catherine and Lyle come to a head.
A hunting trip at Hagood's family farm turns sour when Lyle's true feelings for Catherine push Louis to the point of no return. Meanwhile, as Catherine deals with her father's upcoming heart surgery, Daniel gets a blast from the past when Ashley tries to work her way back into the circle. And when everyone comes together at Hannah's Chrismukkah party, Catherine gets a surprise revelation about Lyle's intentions.
When Hagood invites her friends from Savannah back to her Southern roots for some good ole' duck hunting, Hannah tries to find out the truth about Catherine's "other guy." Meanwhile, Lyle decides to move away from Catherine and their tumultuous relationship. A silly prank between Louis and Lyle turns sour when an innocent tussle becomes a little too close for comfort.
Lyle and Catherine are still on shaky ground after their talk at Brandon's party; Hagood's parents take some time off from farm-life for a quick trip to Savannah, but their arrival feels more like an interrogation; Daniel makes a big decision regarding his career; Louis and Lyle head to New York City; and Brandon invites the girls for a sleepover, but it quickly turns into a nightmare when he and Hannah confront Catherine over rumors of her sleeping around.
Hannah's fear of becoming a Southern spinster puts her relationship with Louis on ice until he can put a ring on it; The star-crossed lovers have become more crossed than lovers months after Lyle's failed proposal to Catherine; Hagood deals with her mommy dearest while Daniel tries to adult; the gang gets together at Brandon and Jim's anniversary party; and Lyle takes what he thinks will be his final stand in his relationship with Catherine.
Because it's never too early to plan Thursday night... two months from now.