As the crew heads upstate for their annual New Year’s bash, Julien holds tight to tradition despite everything changing around her. Meanwhile, Zoya questions her place in her sister’s group – and Kate questions the future of Gossip Girl.

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

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.

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.