As the crew looks forward to a fresh start in the new year, a debutante ball threatens already fragile bonds.

Zoya spends more time with Shan's family--much to Nick's annoyance--while Max's parents host an important dinner that descends into chaos.

Though finally the new queen of Constance, Monet yearns for a real rivalry with Julien. Meanwhile, Obie asks for Julien's help managing their friends ahead of meeting Grace's family.

Julien struggles to show Grace's true colors to Obie. Audrey and Max suspect Aki is keeping a secret. Zoya learns of Nick's betrayal.

Kate, Jordan, and Wendy attempt to conceal Gossip Girl's identity from a determined Mike. Audrey breaks down after Max and Aki go away on a trip without her.

A familiar figure blackmails Kate into ruining an important event. Obie proposes a transactional offer that would destroy his family to Gossip Girl.

While Audrey juggles her father, his new girlfriend, and Kiki's launch, Gossip Girl drives a wedge between her and Julien.

Max and Audrey scheme to redeem Kiki's reputation – at the expense of Aki's feelings. Kate receives an ultimatum about the future of Gossip Girl.

Max, Audrey, and Aki navigate the growing complications of being a triad. Kate enters an uneasy alliance with a former foe. Julien weathers her quest to destroy Gossip Girl alone – until a shocking implication hits too close to home.

Julien sets out to destroy Gossip Girl only to find herself in a surprising final showdown at the Met Gala.