Dan has spent the summer assisting a famous author (guest star Jay McInerney), and clearly still has one certain girl on his mind, which results in him going after her. While interning for Eleanor Waldorf's company, Jenny sneaks a coveted invite to the Hamptons' white Party at which Eric introduces _her_ to socialite Tinsley Mortimer. <sep>, Pronoun: her <sep>, A: Eleanor Waldorf <sep>, B: Jenny