Serena van der Woodsen, Blair Waldorf, and Nate Archibald have been best friends for years, but their friendship is tested when both girls fall for Nate and he is forced to choose between them, even if it means losing his best friends forever.
Nate struggles to choose between Blair and Serena after learning that Serena is in love with him, and Dan wonders if he is really gay, confused by his lingering feelings for Vanessa.
While spending the summer in the Hamptons, Gossip Girl shares the details of Dan and Vanessa's failed relationship and Serena and Blair's move into the beach house of a famous fashion designer.
In the summer following high school graduation, Blair heads off to London with her English Lord boyfriend, Serena prepares to star in a remake of "Breakfast at Tiffany's," Nate heads to the Hamptons, and Dan and Vanessa rekindle their love.
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.
Scandal abounds as the uptown girls wind up their days as Constance Billard students with a Senior Spa Day that is crashed by The Raves rock group and assorted other guys.
Blair, Serena, Nate, and their classmates at an elite prep school learn that their entrance into the college of their choice depends a lot on both old and new relationships.
Gossip Girl shares the scoop on the renewed friendship between Blair and Serena, two seventeen-year-olds who attend an exclusive private school in Manhattan, and follow the two and their friends as they party through the holiday break.
Blair and Serena, who go to an exclusive private school in Manhattan, are no longer best friends but are still both consumed with thoughts of boyfriends and college.