1. Yes, Then Zero

Serena finds a job as a production assistant while spending her summer in L.A, but her work is quickly jeopardized when she tries to impress her new employer in order to be promoted. Nate and Chuck also arrive in Los Angeles, where Nate meets an older woman and Chuck starts making increasingly reckless moves. Meanwhile, after spending the summer in Monaco, Blair returns to New York to hasten the preparation of her wedding, while concealing a secret that could wreck it all. Meanwhile, Dan seeks Louis' help in preventing the publication of a revealing article on Blair written in the spring. Title reference: The 1987 film Less than Zero.