Carrie works with publicist Samantha to try to get the perfect look for her book cover. Charlotte starts reading self-help books. Miranda goes to Weight Watchers to lose her baby weight. Samantha gets upset when she feels the girls are judging her outrageous sex life.

Carrie invites Jack Berger to her book opening party, which turns out to be a huge event. Charlotte butts heads with Bunny MacDougal. Miranda's single life and her life with Brady conflict. Samantha gets an impulse-buy chemical peel that goes awry.

Carrie deals with her past with Aidan when she runs into Nina Katz, who had dated Aidan after he and Carrie split up. Charlotte gets a tough lawyer to go up against Bunny in a fight to keep her apartment. Miranda has no one to turn to when she needs help taking care of Brady. Samantha tries to return a spent vibrator, then spends some of her free time on Miranda.

The girls attend the Hamptons wedding of an over-the-hill socialite and a lounge singer whom they all thought was gay. Carrie encounters Jack Berger again. Charlotte goes public with her relationship with Harry. Miranda gets more comfortable with the baby and with her role as a mother. Samantha throws a huge party at Richard Wright's Hamptons house.

Carrie's high-school sweetheart visits her in New York—on his way to a mental asylum in Connecticut. Miranda develops a crush on her attractive neighbor Robert, the team doctor for the Knicks. In order to get into an exclusive pool at the SoHo House, Samantha pretends to be a member — and British. Geri Halliwell and David Duchovny guest-star.

Aleksandr refuses to talk about his work or introduce Carrie to his friends. Miranda adjusts to life in Brooklyn. Charlotte decides to enter Elizabeth Taylor in a dog show. Samantha makes a sex tape with Smith after a tabloid reports that she's his "fag hag".

Petrovsky hosts a dinner party for Carrie's inner circle, and makes a shocking announcement. Later, the death of an old party friend (Kristen Johnston) helps Carrie reach a big decision.