In the midst of celebrating Yom Kippur with family and friends, Blair (Leighton Meester) and Louis (guest star Hugo Becker) find themselves in a power struggle with Louis' family. Serena's boss (guest star Michael Michele) puts Serena (Blake Lively) in the awkward position of choosing between her new job and her relationship with Dan (Penn Badgley).
Diana (Elizabeth Hurley) prepares to debut the New York Spectator, but an unfortunate last-minute surprise delays the launch and Diana expects Nate (Chace Crawford) to do whatever it takes to save the day. Ed Westwick, Kaylee DeFer, Kelly Rutherford, and Matthew Settle also star.
Gossip Girl airs every Thursday at 8 p.m. on ETC.