The start of a new school year at the Upper East Side's elite Constance St Jude's ushers in the arrival of a newcomer who soon finds herself thrust into a blinding spotlight. While other students cling to their comfortable, glamorous lives, a mysterious presence threatens to upend the status quo.

As Zoya hesitantly explores a new romantic interest, Max aggressively pursues one of his own. Meanwhile, Julien sets out to fix her mistakes.

While the school takes drastic measures to smoke out Gossip Girl's identity, a blind item threatens to put an end to a Constance couple. Julien and Max uncover shocking family secrets, and Zoya turns to an unlikely ally for help.

Tensions run high as Zoya reluctantly celebrates her birthday. Audrey levels with Aki, and Kate gets an exciting opportunity.

As Halloween approaches, Zoya and Julien decide to team up. Meanwhile, an incident at a nearby school finds all eyes on Gossip Girl.

When Obie's mother comes to town, Zoya begins to question his nature and nurture. Julien's decision to take her brand to the next level leads her down a path of self-discovery, and Kate's personal and professional lives collide at full force.