Serena van der Woodsen (Blake Lively) has found a job working for a production company but finds herself at odds with a co-worker.
Dan Humphrey (Penn Badgley) asks a favor from an engaged Prince Louis (Hugo Becker) to keep his work from getting published.
Ivy Dickens (Kaylee DeFer) is forced to reprise her role as Charlie Rhodes when she runs into Serena in Los Angeles.
Nearing the end of the shoot of David O. Russell’s adaptation of The Beautiful and the Damned, Marshall, her supervisor, assigns her to complete his to-do list.
After receiving his save-the-date for Blair and Louis’ wedding, Chuck jumps out of a building on to a stunt pad on the set of the film where Serena is working and crashes his motorcycle by driving too fast on a dangerous winding road, sustaining a large bruise to his torso.
Dan learns a chapter of his book about the Upper East Side that will embarrass Blair has been leaked to Vanity Fair and asks Louis for help preventing its publication.
Between the pregnancy reveal - so surprising I really didn't think Gossip Girl of all shows would go there - the tie-in with Daniel's novel, Nate's latest liaison and Chuck channeling his inner James Dean, "Yes, Then Zero" was a resounding success.