In the series finale, Carrie's relationship with her dad grows strained, and she gets surprising news from Larissa and Sebastian. Meanwhile, problems with Pete lead Maggie to seek comfort from Walt; Mouse and West find themselves in a predicament; and Samantha ponders moving.
Carrie and her pals attend their senior prom at a luxurious New York City hotel. Meanwhile, an offer from Larissa has Carrie reconsidering her plans for life after graduation; and Sebastian tries to keep Carrie in the dark about his big decision.
Carrie tries to help a struggling Bennet at work, but instead, they both land in trouble. Elsewhere, Samantha adopts an unexpected attitude about her latest affair; Sebastian's dad asks him for huge favor; and Tom is deceived by a fellow lawyer.
Maggie enlists in the Army by mistake. Meanwhile, Walt and Bennet receive shocking news; Sebastian backs out of Valentine's Day plans with Carrie in order to pursue a work opportunity; and Tom finds a clever way to get Dorrit back in the dating game.
Larissa uses tough love to counsel Carrie about her relationship with Sebastian. Meanwhile, Dorrit hosts a last-minute gathering and it gets a little wild; Mouse bonds with Donna; and Sebastian makes an impulsive decision after fighting with his parents.
Carrie interviews the CEO of a jeans company for an article she hopes Interview will publish. Meanwhile, some news puts distance between Mouse and West; Tom gives guidance to Walt; and Maggie struggles to tell her dad the truth about recent events.
Carrie reads an ugly rumor about herself in a gossip paper, so Samantha sets out to correct things. Meanwhile, Walt assists Bennet with a situation at work; Mouse spices things up with West; and Sebastian seeks help for Maggie during a medical emergency.
Carrie develops writer's block, and Weaver's efforts to help her do more harm than good. Elsewhere, surprising news bonds Maggie and Sebastian; and Walt worries about his personal safety when Bennet moves into a shady neighborhood.
Carrie and Weaver spend the day together in the city. Meanwhile, Samantha finds work as a nude art model; Sebastian gets unexpected support when he learns about his mom's remarriage; and Dorrit isn't receptive to Miller's strategies for bonding with her.
Carrie's job is in jeopardy when she interviews a playwright who proves to be high maintenance. Meanwhile, Walt admits his true feelings about Bennet; Carrie and Dorrit take a disliking to Deb's son; and Sebastian finds someone new to console him.
Larissa returns from her summer abroad and takes Carrie and Walt to a Japanese festival, where Larissa meets Samantha for the first time. Meanwhile, Mouse helps Maggie fill out college applications; and Tom receives an enticing offer from Harlan.
Carrie and Walt have problems with their new roommate. Meanwhile, Samantha dispenses sex advice to Mouse; Walt tries to declare his true feelings to Bennet; and Tom's plans for a romantic weekend with his girlfriend go awry.
In the second-season opener, Carrie meets Samantha Jones while spending the summer in Manhattan with Walt. Elsewhere, Mouse attempts to ignore Maggie at the country club; and Tom discovers that Dorrit has a boyfriend.