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

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.

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.