Blair, who is determined to maintain her Queen status in college, embarks on her first day at NYU, along with Dan and Vanessa. Unfortunately, Georgina turns up as Blair's roommate in the dorms, determined to make Blair a social outcast. As Serena prepares to depart for Brown, she and Chuck have a major falling out, so she recruits Chuck's enemy, Carter, to help her get even. Nate and Bree decide to explore their relationship further, knowing full well it could cause tension between their families who are political rivals.

It's the first day of school at Constance Billard which means it's also time for Jenny to take her rightful place as the new Queen Bee. Unfortunately for Jenny, Blair is more than happy to intervene when news reaches her that she may be needed back at Constance. Lily returns home to Rufus and her family to find that things are definitely not as she left them. A famous movie actress, Olivia Burke, enrolls at NYU - and is assigned to be Vanessa's roommate - hoping for a somewhat normal college experience.