Blair and Serena have spent the summer in Paris, both trying to take their minds off of their problems back in New York. Meanwhile, Eleanor helps plan a fashion party at the Van Der Woodsen apartment.

Living out a real-life fairytale in Paris, Blair is pursued by a handsome young man. A very concerned Lily asks Serena to help her find Chuck. Meanwhile, Chuck is adjusting to a fresh start in Paris with a mysterious new woman.

On her first day at Columbia, Blair attempts to gain membership into an ultra-exclusive social club. Serena begins to suspect that Juliet is intentionally sabotaging Serena's life. Rufus is worried about Dan and decides to take matters into his own hands.

Nate suspects that Juliet is keeping a big secret from him and decides to confront her. Blair schemes to undermine Chuck's newfound happiness. Dan finds himself torn between his feelings for Serena and Vanessa.

An anonymous Gossip Girl post starts a rumor about Serena. Blair decides to take a class with a powerful businesswoman, Martha, but a fellow student thwarts her plans to secure the prized position as Martha's assistant.

Jenny is tempted by a once-in-a-lifetime opportunity. Serena discovers something about her new boyfriend that may put an end to their relationship.

Blair is caught off-guard by a surprise guest at her birthday party. Having had enough of Chuck and Blair’s games, Serena and Nate decide to plan an intervention.

Chuck and Blair decide it’s in both their best interests to put the past behind them. Nate confronts Juliet after discovering a secret she's been keeping. Dan and Nate realize they both still have feelings for Serena.

Chuck hosts a masquerade party at the Empire Hotel. Dan and Nate don't know what to make of Serena's strange behavior and mixed messages. Blair sets her sights on becoming the new face of Anne Archibald's foundation for girls.

Chuck, Serena, Blair, Dan, Jenny and Eric find themselves faced with a crisis when a member of one of their families is hospitalized. Nate attempts to help his parents put their complicated past behind them and reconcile.

Blair and Dan decide to team up to track down an MIA Juliet. Chuck begins to suspect Lily isn't being entirely truthful with him.

A former associate of Chuck’s father returns to Manhattan. Serena and Chuck join forces against Lily, while Blair realizes that her mother may be her key to becoming a future CEO. Nate worries that his father is not taking his parole seriously.

Blair lands an internship at W Magazine, but she finds out that Dan has secured one of the coveted positions as well. Chuck may have finally met his match with Russell Thorpe and his daughter Raina. Nate receives alarming news about his father’s business prospects.

Blair enlists Nate’s help to win over her high-strung boss. Damien stirs up more drama on the Upper East Side. Chuck finds himself torn between business and pleasure.

Chuck makes one last-ditch effort to save his family’s company. Blair is given a challenging assignment at W Magazine with the promise of a possible promotion. Serena struggles with her feelings for Ben.

Blair tries to speed up her career and Serena is forced to make a difficult decision. Chuck and Lily’s relationship remains icy in the aftermath of Lily’s betrayal. Meanwhile, Eric has a drama filled 18th birthday party.

Ben’s mother comes to town, causing issues between Ben and Serena. Russell Thorpe is determined to destroy Chuck’s family legacy, but he risks alienating Raina.

As Lily awaits the consequences of her decision, William van der Woodsen, CeCe and Lily’s sister, Carol, come into town to support her. Blair comes to a realization about her future.

Serena enlists Charlie for help to determine why Dan and Blair are spending so much time together. With Nate’s help, Raina decides to go on a search for her mother. A shocking revelation could me the end of Chuck's dreams.

Serena threatens Blair's happiness by dredging up her past. Charlie befriends Vanessa, but she may be hiding something. Nate is torn between loyalty to Chuck and his feelings for Raina.

Charlie begins to feel comfortable with Serena and her friends. Blair finds herself torn between the men in her life. Jack Bass returns to New York, jeopardizing Chuck and those closest to him.

Georgina Sparks turns up at the fundraiser looking for trouble. Serena and Vanessa reluctantly join forces to find Dan and Charlie. Blair must make a choice between the men in her life when her life is in danger.