Serena and Blair enjoy their summer vacation in Paris trying to take their minds off of home. Blair scores a date with a man she suspects is a member of a royal family. Meanwhile, Chuck is recovering in Prague after being found by Eva Coupeau, a waitress who does not know his real identity. Meanwhile, back in New York, Eleanor helps Lily make arrangements for Fashion's Night Out at the van der Woodsen penthouse and Dan deals with raising Georgina's newborn son Milo, while Nate meets a potential new love interest, Juliet Sharp.