Blair has spent a fabulous summer in Paris without realizing her former love, Chuck Bass, has been shot. As much as Blair tries to distract herself from the pain Chuck caused her, his mysterious appearance in Paris with a beautiful new woman will force both of them to face what happened. Meanwhile, a newly single Serena has been enjoying a Parisian summer of love with boys, Blair and Balenciaga as she tries to avoid the inevitable decision about which of her two long-time beaus, Dan or Nate, she should return to. Back on the Upper East Side, Nate meets an intriguing girl, Juliet, who helps him realize that his summer of sexual conquests with the help of Chuck's little black book was his way of avoiding his unresolved feelings for Serena. Meanwhile, Dan's baby mama drama continues with Georgina. Finally, the van der Woodsen apartment is buzzing with activity as the "Fashion's Night Out" event is planned.
Spoilers ahead. Coverage follows the scope labeled below.
Complete story — includes the ending
While spending the summer in Paris, Serena and Blair try their best to forget their exes by going out with men of royalty. After getting shot in Prague, Chuck meets a French tourist who does not know his real identity. Meanwhile, back in New York, Eleanor helps Lily make arrangements for the Fashion's Night Out gathering at the van der Woodsen penthouse. Dan deals with raising Georgina's newborn son Milo, while Nate meets a potential new love interest, Juliet Sharp. Karlie Kloss makes a cameo appearance. Title reference: The 1967 film Belle de Jour.