Blair, determined to have her Queen status at college, starts her first day at NYU along with Dan and Vanessa. However, Georgina, who was assigned as Blair's roommate, sets out to ensure that she does not retain her title. Serena gets ready to move into her dorm at Brown, but has a fight with Chuck before hand. This leads her to search out Chuck's enemy, Carter, to help her get even with him. Meanwhile, Nate and Bree's relationship continues to grow despite the tension their relationship could cause between their families.

During the first day of school at Constance Billard, Jenny takes her place as the new Queen Bee. However, Blair gets in her way. Lily returns home to find that things are not as they were when she left them with Rufus. At NYU, Olivia Burke, an actress, enrolls and is assigned to be Vanessa's roommate.

Lily and Rufus decide to move up their wedding to the next day, but will someone or something come between them before they become man and wife? Chuck discovers a secret that Carter has been keeping from Serena. Dan and Vanessa are pulled into one of Georgina’s schemes. Blair is suspect of Bree and shares her concerns with Nate.

Vanessa, hoping to finally win her mother Gabriela’s approval, desperately vies with Blair for the honor of delivering the freshman toast at NYU, but at what price? Dan invites Olivia to meet Rufus and Lily, which leads to all sorts of problems for the new couple. Serena and Nate team up to help Carter Baizen.

Olivia says something she regrets during her appearance on Jimmy Fallon’s talkshow and tries to keep Dan from finding out. With election day around the corner, Nate suspects his grandfather will stop at nothing to get Trip elected to congress. In the midst of another feud with Serena, Blair befriends a new “it” girl and takes her to an election night party at Chuck’s hotel, hoping to make Serena jealous.

Hoping to impress the elitist theater kids at NYU, Blair sets her sights on landing a private concert with the hottest musical performer of the year, Lady Gaga. Dan and Olivia sign up to write and star in a school play, based on an idea by Blair and directed by Vanessa. With Blair out of the picture, Serena turns to Nate to help her get through a difficult situation. As a favor to Chuck, Jenny agrees to hang out with Damien, the son of an ambassador who is staying at Chuck's hotel, but the experience proves to be a lot more intriguing than she expected.

Chuck and Blair are faced with the most difficult decision they have ever faced as a couple. Serena plans a surprise birthday party for Nate, but Jenny does her best to sabotage Serenas’s efforts. Dan and Vanessa’s new relationship hits a bump in the road.