Catherine welcomes Lyle back to Savannah putting their long distance relationship to the test; while Nelson is forced to face his storied past. Ashley finally has a night out with the girls only to find her fun go up in flames.

Ashley confronts some hard truths about her marriage. As Catherine and Lyle settle into a "grown-up" relationship, Hannah looks forward to a future with "grown-up" Louis. But when Louis ends up playing strip golf with Ashley, all bets are off. The ladies attend a very traditional bridal shower for Happy's very non-traditional marriage.

Hannah is bewildered following her strip-golf fight with Ashley. Daniel prepares for his debut as a drag queen. Catherine focuses on her first interior-design project. Nelson hosts a poker party. Lyle reveals a shocking secret about Ashley.

In the aftermath of Lyle's revelation that Ashley works as a baggage handler, Ashley hears a juicy rumor about Catherine and Lyle. Meanwhile, Happy urges her mother to support her marriage to Azam, and Hannah finds some unexpected opposition as she attempts to start a dress line. Later, as Hurricane Matthew nears Savannah, Catherine hosts a dinner party that quickly becomes a storm of its own.

After a stormy end to Catherine's dinner party, Hurricane Matthew forces the Charmers to evacuate Savannah. Lyle, Catherine, Daniel, Louis and Hannah head to Charlotte where they meet up with Charleston friends Shep, Thomas, and Austen. Meanwhile, in Augusta, Ashley reveals her marital issues to her mother. Later, the Charmers return home to a devastated Savannah.

Hannah's sisters come to Savannah to throw a birthday party for Louis, even though Hannah is starting to question their relationship. Meanwhile, Nelson seeks his mother’s advice with his fractured friendships, and Catherine plans a traditional Savannah Bridge party where Ashley decides to confront Hannah.

The gang heads to St. Simons Island, Ga., for the weekend; Hannah challenges Louis to throw a party; Ashley breaks down; Louis faces some hard truths; back in Savannah, Lyle and Catherine hit their stride; Daniel contemplates his future.

Ashley's struggles at home come to a head,while Daniel breaks big news to his father; Hannah reaches the end of her rope with Louis' immaturity; everyone prepares for Ashley's masquerade ball, but Lyle has other plans.