在纽约精英阶层的学年开始之际，康斯坦斯圣裘德学院的一名新生发现自己被推到了聚光灯下，而一种神秘的存在可能会动摇现状。

当佐亚犹豫不决地探索一种新的浪漫情趣时，马克斯积极地追求自己的一种情趣。与此同时，朱利安着手纠正她的错误。

虽然学校采取了严厉的措施来揭发绯闻女孩的身份，但一件失明的物品有可能终结一对康斯坦斯夫妇。朱利安和马克斯揭露了令人震惊的家庭秘密。佐亚向一个不太可能的盟友寻求帮助。

当附近一所学校发生的一件事引起人们对绯闻女孩的关注时，朱利安和佐亚一起参加了万圣节。奥黛丽对坏消息感到恐慌，欧比开始怀疑佐亚的新朋友。

When Obie's mother comes to town, Zoya begins to question his nature – and nurture. Julien decides to take her brand to the next level. Aki and Max come together to support Audrey.

Zoya scrounges up guests for her annual Friendsgiving feast, Julien and Obie cover their tracks. Meanwhile, Kate and Jordan face an ultimatum from Rafa that threatens to bring Gossip Girl down once and for all.

While an accusation from Gossip Girl throws Julien’s life into a tailspin, Zoya takes matters into her own hands. Kate faces backlash from her colleagues. Obie and Aki take a stand. Max navigates foreign emotions.

When Gossip Girl turns the city against her, Julien leans on Zoya in her search for the truth. Meanwhile, Kate and Jordan attempt to outsmart their coworkers, Audrey and Aki open their minds, and Max tries to find his voice.

In her efforts to save Julien from a vicious smear campaign, Zoya puts her own future at risk. Kate and Jordan hatch a last-ditch plan to reclaim Gossip Girl. Audrey and Aki rope an increasingly resentful Max into both of their schemes.

A Christmas visitor threatens to upend Julien’s life, while a new friend pushes Zoya to chart her own path. Ahead of a bombshell drop, Kate, Jordan, and Wendy clamor for control of Gossip Girl.

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.