During Thanksgiving break, Waverly students experience changes in their relationships with one another and with new acquaintances as most travel home, but Tinsley and Callie, still upset about Easy's expulsion, join Jennifer in New York City.

Reveals the effects on a trio of bright, attractive, fifteen-year-old friends--Serena van der Woodsen, Blair Waldorf, and Nate Archibald--when Serena considers leaving their seemingly-perfect life of luxury in New York's Upper East Side for boarding school.

Only two weeks remain until graduation and there are more than a few surprises in store for the senior girls at an exclusive private high school in New York City, as they fill their last days together with boys, gossip, parties, and shopping.

"Everyone at elite Waverly Academy actually looks forward to the freezing month of January: it's Jan Plan, four blissful weeks when cool independent projects replace hectic schedules and boring classes. Wild weeknight parties, late-night trips to the crater, and plenty of time to gossip about it all? Yes, please! Jenny Humphrey can't wait to start her solo art project. But the real masterpiece is Isaac Dresden, the new dean's gorgeous son, who's taken...

Elite Waverly Academy's standards of conduct are strained when Callie and Tinsley recruit a prospective student who is visiting campus to spy for them, in order to implicate Jenny as the arsonist who burned down an antique barn at the Miller farm.

Beginning with Waverly Academy's annual Halloween ball, Jenny, who is still seeking her mysterious benefactor, watches her own popularity soar as Tinsley's plummets, while Callie finds herself at a Maine "health spa."